Find out why Mary Jane Fonder fatally shot fellow congregant Rhonda Smith in an office of their Pennsylvania church, and how "jealousy" played a role.

BEACHSIDE HOMICIDE: "48 Hours" looks back at seaside slayings. 9/8c: Murder on the Cape: "48 Hours" has covered the case of A ...

Find out how investigators determined Tony Vick was responsible for the deaths of wives Amy Vick and Kathy Beadle.