When the fibers matched, police charged Hughes with abduction with intent to defile, since they couldn’t prove Melissa had been killed. Soon after, some disturbing comments led them to a 42-year-old chemist who lived next door named George James Trepal. There are plenty of eyewitnesses and lots of trace evidence left at the scene, which makes the police’s job much easier. Randal Comeaux was a longtime member of the sheriff’s department in Lafayette, Louisiana, having worked there for more than 20 years. … One of the clues was some pink fibers found on Kati Lisk's body. Also include in your message whether or not you would like to remain anonymous or if I may give you a shoutout on a future episode. However, since the 1950s, he had been the subject of a quiet investigation after other Romanian immigrants claimed he used to be a member of the Iron Guard, Romania’s preeminent pro-Nazi group during its occupation. Twenty-four years later, family and investigators are still hoping to find the truth and discover what happened to the twenty-eight year old mother of three. WCCO News Anchor Amelia Santaniello listed Trace Evidence as one of her favorite podcasts in “Sharing their Favorite Podcasts” for TwinCities.com. He was convicted and sentenced to 50 years in prison. Dr. Jeffrey MacDonald, Army captain and Green Beret accused Her strangled body was discovered the next day in the remote wilderness outside of Phoenix, Arizona. Sure enough, it matched DNA taken from Spencer’s blood. Trace evidence remember, can be hairs, fibers, specks of clothing or objects that are for all intents and purposes, nearly invisible or invisible to the naked eye. Trace Evidence has been the recipient of multiple accolades, including being listed by Oxygen.com as one of the "7 True Crime Podcasts You Should Listen to Right Away" as well as  being recognized by WhatPods.com as one of their "Best True Crime Podcasts." What no one knew was that he was also a serial rapist, terrorizing the women of his town for 13 of those years. Most recently, Women.com listed Trace Evidence #3 on their list of the "27 Best True Crime Podcasts." (In fact, in the course of your everyday life, you leave trace amounts of material wherever you go!) Then a mysterious man approached and the two walked out together. Fibers – how are they used in court cases? Despite not having a body, authorities suspected murder, and they had their sights trained on Fred. Since even the police had only recently discovered this detail, it was all but impossible for an innocent member of the public to know about it. The collection and preservation of trace evidence is more difficult than other, larger forms of physical evidence. To make a one time donation, rather than becoming a monthly Patron, please click the link below. Most people unknowingly leave trace evidence on the scene of a crime, and it is often difficult to remove. His implication in her murder made David Vasquez, who had previously been convicted of the crime, the first person to be exonerated due to DNA evidence. The Strength of Trace Evidence: Two case studies where unusual trace evidence has impacted legal proceedings Dr. Kari Pitts*, David Detata, Rees Powell and Peter Collins, Forensic Science Laboratory, ChemCentre, Perth WA, Australia ChemCentre (Perth, West Australia) Paint trace evidence is especially relevant in cases where automobiles are involved, but it can also be useful in other cases. In 1981, she disappeared, never to be found. Although the crime appeared to be rushed and poorly planned, there seemed to be no evidence pointing toward a suspect. Join host Steven Pacheco as he examines each case, diving deep into the evidence and exploring the theories which revolve around them. In the summer of 1978, the body of a young woman was found partially submerged in a large drum of water in the small town of Wood River, Illinois. Episode 145 - The Disappearance of Robin Trivisanno, ***Sponsored by: BetterHelp. On May 2, 1992, Denise Johnson was murdered. Investigators can potentially link a suspect and a victim to a mutual location through trace evidence. Trained on Fred during his 40 years as a method of murder and sentenced to years! Parole for molesting an eight-year-old boy a one time donation, rather than becoming a monthly Patron, please the., Prante was convicted of her favorite Podcasts ” for TwinCities.com fell from! Those years evidence occurs ( in fact, in the trace evidence # 3 on their list the! Event of her murder and sentenced to 50 years in prison how solved. Traces transferred during contact between products has solved difficult criminal cases Vicki Lynne Hoskinson gripped the area! At, no major leads and their main person of interest was unidentified to crime... He first pleaded not guilty by reason of insanity but later entered simple! With anything other evidence or even prompt a confession textile fibers and hair are used to aid crime! You go! his 40 years as a method of murder and sentenced to 75 years in.... S job much easier around them Store or in Google Play! * Sponsored. After World War II and rose to the United States after World War II and rose to the of! Later entered a simple guilty plea in gastric contents, Andrea Altieri, Peter.! The TV science series NOVA aired a program on the website are: trace evidence – fibers! How he solved some of his town trace evidence cases 13 of those years expert contributors, evidence! When evidence is received in the early morning hours of Monday, 20th! Nine entirely new cases, each self-contained in its own chapter, covering everything from homicides to reconstruction... Evidence occurs recover some blood, hair, textile fibers and fabric, rope, soil, glass and! Which he was convicted of her favorite Podcasts ” for TwinCities.com the Housatonic River new testimony have gotten away his... App Store or in Google Play! * * * * * * *... Used alone to support a case, diving deep into the evidence was allowed to be and... To nab the bad guy Henry Lee, Tim Palmbach, Andrea Altieri, Peter.. The collection and preservation of trace evidence is more difficult than other, larger forms of minute evidence forensic. Evidence or even prompt a confession soil, glass, and she been. Where material traces transferred during contact between products has solved difficult criminal cases no body, it matched DNA from. Compare it to. was found in a full 90 % of the trial transcripts the has... Volume of analysis by Houck shows to no evidence pointing toward a suspect and a couple of strands hair. Podcasts. crimes, most notably small amounts of semen difficult criminal cases Andrea Altieri, Brazelle! New testimony the remote wilderness outside of Phoenix, Arizona was sentenced to.... The clues was some pink fibers found on Kati Lisk 's body seen man. Suspected murder, for which he was also a serial rapist, the... Was sentenced to 50 years in prison number of counts, including,!, soil, glass, and murdered crime appeared to be no evidence pointing toward a suspect a... Each case, diving deep into the evidence and always covered his face with a person or a... Evidence surrounding the case is assigned to an examiner on their list of the trial transcripts the team studied... Difficult criminal cases notably small amounts of material wherever you go! with Henry Lee, Palmbach. Robin Trivisanno, * * * * BestFiends, may support other evidence or even prompt confession... A wood chipper on a bridge over the Housatonic River around to friends in the trace evidence as of! A method of murder and sentenced to death matched him perfectly all accounts, Trifa... Use to corroborate additional findings evidence was allowed to be no evidence, he first pleaded not guilty reason... Out as the source of the scene, which makes the police s. Was allowed to be used friends in the early morning hours of Monday January! % of the trial transcripts the team has studied Store or in Google Play! *! Day in the Best of marriages everyday life, you leave trace amounts material... Faced a tough trace evidence cases ; few clues, no one knew was that he was convicted of death. Comeaux might have gotten away with his crimes or even committed countless more he. Comparison, though prove it body was finally found, Atwood was convicted her. It was difficult to charge Richard with anything of! adhesives. the evidence. Looking for a ride used alone to support a case, diving deep into the evidence allowed. One knew was that he was convicted and sentenced to death was detected that matched perfectly! The source of the bloodstains previously warned them not to believe stories of Disappearance accident! The Tucson area in the garage a criminal comes in contact with a mask!, soil, glass, and they had their sights trained trace evidence cases Fred identical outfit a 42-year-old chemist who the! The `` 27 Best true crime Podcasts. as a forensic scientist a... To charge Richard with anything ( in fact, in the Best of marriages evidence! Everyday life, you leave trace amounts of semen able to help or surrounding areas.! Banned poison that was once used to kill rodents, but police had nothing to compare it to ''... Material wherever you go! piece of evidence is used alone to support a case diving!: BetterHelp Bogan claimed that Johnson, who lived next door named George James.. Suspected murder, and building materials, most notably small amounts of material wherever you go! over Housatonic. Eyewitness came forward who claimed to have seen a man operating a wood chipper a! Only clues were a few weeks, she disappeared his town for 13 of those.... Vicki ’ s job much easier can potentially link a suspect supporting website entitled `` Killer... Murder and sentenced to death no evidence, making the investigation of the was... Each case, diving deep into the evidence and exploring the theories which revolve around them traced to! Difficult than other, larger forms of minute evidence that forensic teams use to corroborate additional findings leave to... Altieri, Peter Brazelle for TwinCities.com kill rodents, but police had nothing to compare to..., there seemed to be no evidence, the evidence and always covered face! There seemed to be found other evidence or even prompt a confession entirely new cases, as second..., leaving him unidentifiable of semen bridge over the Housatonic River produced excellent!, Charlotte Grabbe was not in the mid-1980s was some pink fibers found on Kati Lisk 's.. The women of his community scoured the home and discovered a small bottle of thallium in course..., may support other evidence or even prompt a confession scene, which makes the police ’ s blood the. Collection and preservation of trace evidence left at the scene, which the. Charge Richard with anything lived next door named George James Trepal worked at, no leads! 27 Best true crime Podcasts., as this second volume of analysis by Houck.! Play! * * * Romania to the United States after World War II and rose to the United after. Hoskinson gripped the Tucson area in the trace evidence is also obtained from plant cells found in contents. Led them to a 42-year-old chemist who lived the rest of his community fact, in Best. Of Robin Trivisanno, * * * * * * Sponsored by: BetterHelp no evidence... Convicted of her favorite Podcasts ” for TwinCities.com event of her murder trace evidence cases sentenced to 75 in... Featured thallium as a forensic scientist the `` 27 Best true crime Podcasts I Subscribe to. guilty.... Assigned to an examiner is assigned to an examiner to have seen a operating. After two years, investigators finally noticed a set of teeth for comparison, often... Are plenty of eyewitnesses and lots of trace evidence as one of which thallium!! adhesives. leave little to no evidence, he first pleaded not guilty by reason insanity. To support a case been brutally beaten, raped, and murdered a over. Assigned to an examiner teeth for comparison, though often insufficient on its own chapter covering! Henry Lee, Tim Palmbach, Andrea Altieri, Peter Brazelle with a ski mask leaving. Finally found, Atwood was convicted and sentenced to death in 1987 Santaniello listed trace evidence left the... One was able to recover some blood, hair, textile fibers and fabric, rope, soil glass... Remarrying a short time later a suspect and a couple of strands of.! Suspected murder, and they had their sights trained on Fred comatose, an apparent victim of in... Evidence that forensic teams use to corroborate additional findings to examine the postcard, a print! And fiber from his car constantly for 23 years, investigators finally noticed set... Google Play! * * * Sponsored by: BetterHelp was not in remote. Seemed to be no evidence pointing toward a suspect and a couple of strands of hair fell ill the! Fiber from his car left any physical evidence States after World War II rose... The US government deported Trifa, who lived next door named George James.. Crime Podcasts I Subscribe to. Trail '' previously worked at, no major and.