Forensic Files - Season 8, Episode 21 - The Big Chill - Full Episode

FilmRise True Crime・2 minutes read

Carol Hellar's death after stopping medication for bipolar disorder led to suspicions of foul play, as Dennis Hellar was found guilty of poisoning her with antifreeze, ultimately resulting in his life imprisonment. Carol's family praises forensic science for bringing justice and aims to raise awareness of the significance of forensics in solving crimes to help prevent similar tragedies in the future.

Insights

  • Initial misdiagnosis of Carol Hellar's health issues as mental health problems led to a tragic sequence of events culminating in her death due to antifreeze poisoning by her husband, Dennis Hellar.
  • The meticulous forensic investigation by Detectives Farrow and Busby, along with the insights of Dr. Alphonse Poklis, uncovered critical evidence that ultimately led to Dennis Hellar's confession and conviction for manslaughter, highlighting the pivotal role of forensic science in delivering justice and potentially preventing future tragedies.

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Recent questions

  • What led to Carol Hellar's deteriorating health and eventual death?

    Carol Hellar's health declined due to her struggles with bipolar disorder, which led to numerous hospital visits and medication. Despite medical advice, she stopped taking lithium, resulting in a coma and eventual death from congestive heart failure.

  • Why were suspicions raised about Dennis Hellar's involvement in Carol's death?

    Suspicious behavior from Dennis, such as disposing of Carol's belongings and the presence of antifreeze in their home, raised questions about foul play. Detectives also uncovered discrepancies in Carol's medical records and a missing month of records coinciding with Dennis's jail time.

  • What did the gas chromatography tests reveal about Carol Hellar's system?

    Gas chromatography tests found ethylene glycol in Carol's system at a level of 6 milligrams per deciliter. This discovery, along with elevated acid levels in her blood, indicated slow poisoning rather than suicide.

  • How was Dennis Hellar implicated in Carol's death?

    Dennis Hellar confessed to poisoning his wife with antifreeze to his girlfriend, Karen Dawson. This confession, along with forensic evidence and discrepancies in medical records, led to Dennis being sentenced to life in prison for manslaughter.

  • What role did forensic science play in bringing justice for Carol Hellar?

    Carol's family credits forensic science for bringing Dennis Hellar to justice. Through meticulous review of medical records, gas chromatography tests, and toxicology analysis, forensic evidence played a crucial role in uncovering the truth behind Carol's death and ensuring accountability for her husband's actions.

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Summary

00:00

Mysterious Death: Investigating Carol Hellar's Demise

  • Carol Hellar visited the hospital 31 times in 10 months before her death, with doctors initially attributing her ailments to mental health issues.
  • After moving to Perry, Oklahoma, Carol struggled with bipolar disorder and sought companionship through a personal ad in a Christian newspaper.
  • Dennis Hellar, a handyman, answered Carol's ad, and they married despite her ongoing mental health challenges.
  • Carol's health deteriorated, leading to hospital visits, medication for bipolar disorder, and strains in her marriage.
  • Against medical advice, Carol stopped taking lithium, leading to a coma and her eventual death from congestive heart failure.
  • Suspicious behavior from Dennis, including disposing of Carol's belongings and the presence of antifreeze in their home, raised questions about foul play.
  • Despite suspicions, no autopsy was performed on Carol, and her body was cremated according to her wishes.
  • Detectives Farrow and Busby investigated Carol's death, uncovering Dennis's unusual behavior and a missing month of medical records during which he was in jail.
  • Dennis's jail time coincided with missing medical records, prompting further investigation into his potential involvement in Carol's death.
  • The detectives meticulously reviewed 4,000 pages of Carol's medical records, discovering discrepancies and potential motives for foul play, leading to suspicions about Dennis's role in her death.

11:21

"Forensic Science Reveals Husband's Deadly Secret"

  • Carol went to a hospital in Ponca City, complaining of slurred speech and confusion shortly before her death.
  • Dr. Danny Cassidy treated Carol and found elevated acid levels in her blood, known as metabolic acidosis.
  • Dr. Cassidy ordered more tests to investigate the cause of the elevated acid levels.
  • Carol left the hospital before receiving the test results as she did not want to stay.
  • Gas chromatography tests found ethylene glycol in Carol's system, 6 milligrams per deciliter.
  • Dr. Alphonse Poklis, a toxicologist, noticed a discrepancy in Carol's medical records regarding her symptoms.
  • The amount of ethylene glycol found in Carol's system was consistent with slow poisoning, not suicide.
  • Dennis Hellar confessed to poisoning his wife with antifreeze to his girlfriend, Karen Dawson.
  • Dennis Hellar was sentenced to life in prison for manslaughter after pleading guilty.
  • Carol's family credits forensic science for bringing Dennis Hellar to justice and hopes that their story will save lives by raising awareness of the importance of forensics in solving crimes.
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