Hatred between two families and a business dispute leads to quadruple homicide and arson in Los Angeles.

A bloody shotgun, bruised shoulder, and a $100,000 family inheritance lead investigators to a brutal murderer.

Driven by a family feud — and greed — Edward Locascio was the brains behind the grisly murder of his wife.

Detectives turned up a contentious history between murder victim Chris Northam and his son who shared his name and entrepreneurial venture.

Convicted killer Larry Nichols believed his mother died due to stress caused by his sister's divorce from Joe Neff, investigators learned.

The remains of Wendy Camp, her daughter Christina Britto, and sister-in-law Lisa Kregear were uncovered in a septic tank pit.

Kevin Foster's fatal feud with his hard-working 60-year-old stepfather, Rick Swan, boiled down to greed.

Minutes before he ran over her with his car, 20-year-old Noor Almaleki described her father as "so evil."

Christine Belford's ex-husband and former in-laws would stop at nothing in a raging custody dispute — including murder.

A custody battle ignites "a Hatfields and McCoys type of dispute" and a deadly pay-for-slay plot.