World's Most Evil Killers
Season 8 Episode 9 - Billy Mansfield Jr.
Billy Mansfield Jr. moved between Florida and Michigan, targeting vulnerable women and girls.
Audio Languages: English
Subtitles: English
Season 8
S08:E01 - Lester Jones
In 2007, single mother of three Paige Birgfeld went missing.
S08:E02 - John Eric Armstrong
In 1999 and 2000, John Eric Armstrong cruised the streets of Detroit, Michigan looking for sex workers.
S08:E03 - Steven Dean Gordon
Steven Dean Gordon and Frank Cano murdered at least four sex workers in California between 2012 and 2013.
S08:E04 - Jerald Wingeart
In January 1973, 20-year-old mother of one Dawn Magyar vanished while on a shopping trip in Owosso, Michigan.
S08:E05 - Randy Kraft
Randy Kraft was a well-spoken, well-respected computer expert...and a prolific serial killer.
S08:E06 - Richard Kuklinski
Richard Kuklinski claimed to have murdered over 100 people for New York and New Jersey's crime families.
S08:E07 - Richard Biegenwald
Over a 25-year career of murder, Richard Biegenwald killed at least six people.
S08:E08 - Richard Paul White
Police in Aurora, Colorado found the body of a young man in in his own home with a bullet wound to the head.
S08:E09 - Billy Mansfield Jr.
Billy Mansfield Jr. moved between Florida and Michigan, targeting vulnerable women and girls.
S08:E10 - Wayne Adam Ford
Wayne Adam Ford is an American serial killer who strangled and dismembered three of his four victims.
S08:E11 - Harry Jarvis
When Carol Jarvis disappeared, her husband told friends and family that she'd simply gone on a little holiday.
S08:E12 - Graham Coutts
Jane Longhurst vanished after making a plan to go swimming with her friend's boyfriend.
S08:E13 - Jordan Monaghan
Jordan Monaghan killed his 24-day-old daughter Ruby on New Year's Day in January 2013.
S08:E14 - Danville Neil
In 2022, Danville Neil was finally jailed for the brutal 1993 murders of a WWII veteran and his sister.
S08:E15 - Nicholas Burton
In April 1997, 27-year-old Rachel McGrath was stabbed to death by an unknown attacker in a car park.
S08:E16 - Joe O'Reilly
Less than 20 minutes after dropping her children off at school, Rachel O'Reilly was murdered.
S08:E17 - Colin Whelan
When Mary Gough was found dead in her family home, her husband Colin Whelan appeared shocked.
S08:E18 - Charlotte and Linda Mulhall
In March 2005, the garda’ recovered human body parts from the Royal Canal in Dublin.
S08:E19 - Catherine Nevin
Catherine Nevin reported a break-in and violent attack at her pub, which left her husband dead.
S08:E20 - Eric Locke
Dublin man Eric Locke refused to accept it when Sonia Blount, a mother of one, ended their relationship.
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