World's Most Evil Killers, Velma Barfield

S6 E1 • 44m • HDTV14

Lee Ford kills his wife and four stepchildren in a cold-blooded murder spree.

S6 E2 • 45m • HDTV14

A 23-year-old killer murders 17-year-old former head girl Georgia Williams in 2013.

S6 E3 • 45m • HDTV14

A killer attacks his ex-girlfriend in a jealous frenzy and commits a brutal murder.

S6 E4 • 45m • HDTV14

Stuart Campbell is convicted for the murder of his niece, even though her body has never been found.

S6 E5 • 43m • HDTV14

Sarah Williams and Katrina Walsh carry out the jealousy-fuelled murder of Sadie Hartley.

S6 E6 • 44m • HDTV14

Pawel Relowicz rapes and kills 21-year-old Hull student Libby Squire.

S6 E7 • 44m • HDTV14

The story of a killer who took four lives during a chilling two-day killing spree in 2004.

S6 E8 • 45m • HDTV14

Geoffrey Evans and his accomplice John Shaw hit headlines after the murders of two women in Ireland.

S6 E9 • 45m • HDTV14

The story of Mark Martin, who murdered three women to become Nottingham's first serial killer.

S6 E10 • 44m • HDTV14

Malcolm Green is jailed for life for the brutal murder of a Cardiff prostitute.

S6 E11 • 45m • HDTV14

John Allen and his teenage accomplice carry out a brutal series of shootings that kill ten people.

S6 E12 • 45m • HDTV14

A prolific serial killer is dubbed "The Pig Farmer Killer" by the media.

S6 E13 • 46m • HDTV14

A serial killer brutally snatches away the lives of eight women during a decade-long killing spree.

S6 E14 • 44m • HDTV14

A killer murders her own son and becomes the first woman to be executed in Florida since 1848.

S6 E15 • 44m • HDTV14

A terrifying killer murders four victims before being caught while trying to claim his fifth.

S6 E16 • 45m • HDTV14

The I-95 killer, who brutally killed six men in 1994, is executed three years later.

S6 E17 • 45m • HDTV14

The Baton Rouge Serial Killer, known for murdering seven women is sentenced to death for his crimes.

S6 E18 • 44m • HDTV14

The first woman executed by lethal injection after taking six lives.

S6 E19 • 45m • HDTV14

A cold-blooded serial killer takes the lives of eleven people during a decade-long murder campaign.

S6 E20 • 45m • HDTV14

A serial killer works as a nurse in Texas and kills infants by injecting them with drugs.