Mark Hasse

KAUFMAN, Texas (AP) — A North Texas woman has pleaded guilty to murder and been sentenced to 40 years in prison after she testified that she helped her husband gun down a district attorney, his wife and a top assistant in a revenge plot.

Kaufman County Assistant District Attorney Mark Hasse was gunned down Thursday morning outside the courthouse where he worked. Witnesses say two men dressed in black clothes, masks and vests approached the courthouse in a dark, late model Ford and fired several times, killing Mr...