S5 E1 · Kill Their Own

Texas housewife Darlie Routier staged a vicious attack that left two of her young sons dead.

S5 E2 · Twisted Thrills

Gang leader Christina Walters and her crew murdered young women for an initiation ceremony.

S5 E3 · Loathe Thy Neighbour

Sunday school teacher Melissa Huckaby raped and killed her neighbour's young daughter.

S5 E4 · Deadly Delinquents

Kelly Fuller stabbed her ex's new girlfriend Jessica Lang 50 times.

S5 E5 · Hearts of Stone

Prolific poisoner Lydia Sherman killed three husbands and all seven of her children with arsenic.

S5 E6 · Kill for Cash

Bank robber Marjorie Diehl-Armstrong killed a pizza delivery boy with a pipe bomb.

S5 E7 · Breaking Point

Amber Cummings shot her white supremacist, child-pornography loving, Nazi-obsessed husband.

S5 E8 · Love to Death

Self-proclaimed voodoo queen Josephine Gray murders her husbands.

S5 E9 · An Inconvenient Marriage

Linda Lou Charbonneaugets left her husband for his nephew - then killed both men.

S5 E10 · Deadly Possession

After an online battle over a boy, Rachel Wade murdered Sarah Ludemann.

S5 E11 · Sins of the Sister

After being caught stealing, Sarah Mitchell brutally murders her sister.

S5 E12 · Sacrifice Their Blood

In need of money, Robin Lee Row set her house - with her husband and children inside - on fire.

S5 E13 · Killer Kids

Elizabeth Haysom got her boyfriend to murder her parents for threatening to cut her off.

S5 E14 · Pleasure from Pain

Respected 1760s London midwife Elizabeth Brownrigg secretly and ruthlessly tortured her servants.

S5 E15 · Lethal Love

Susan Wright killed her cheating husband to avoid the ignominy of divorce.

S5 E16 · Baby-Faced Killers

Troubled teens Cindy Collier and Shirley Wolf stabbed a friendly elderly woman to death.

S5 E17 · Senseless Slayings

Tina Powell and LaFonda Foster go on a drug binge and murder five friends in different ways.

S5 E18 · Lover's Revenge

After her boyfriend breaks up with her, Jane Andrews murders him in his bed.

S5 E19 · Match Made for Murder

Socialite Valerie Pape dismembered her abusive husband.