Just a family vendetta. Nothing to see here. Move along. "Two Copts Gunned Down in Egypt after Easter Vigil," from [1] AFP, April 19 (thanks to Sr. Soph):

QENA, Egypt (AFP) – Muslim gunmen shot dead two Coptic Christians as they left church after an Easter vigil in southern Egypt, in an apparent five-year-old vendetta, a security official said on Sunday.

A third Copt was wounded in the attack on Saturday night in Hagaza village, near the town of Qena, the official said, adding that police had identified the four assailants who fled.

"There is a vendetta between the family of the accused and the family of the victims. A member of the victims' family killed a relative of the accused in 2004," he said....