ed: a north andover couple pleads guilty to the abuse of two teenaged girls. 35-year-old justin ladd admitted to abusing his two step-daughters because their biological father is dominican. ladd is an alleged white supremacist, who beat and harassed the girls for several years. he will serve up to 5 years in prison along with probation. their mother also pleaded guilty for failing to protect her children. heather: at least 52 people are dead after a riot brks out at a prison in mexico. 12 others were injured. swarms of police and guards spending hours trying to gain control. government leaders say there have been no escapes reported. they believe the fight involved a faction led by a member of an infamous drug cartel. ed: the u.s. is enforcing new sanctions against north korea, s push for nuclear weapons. the senate has unanimously passed the legislation. it targets north korea' s ability to finance the development of nuclear warheads, and long range the house passed a similar sanctions bill last month. we are learning tonight that kim jong un has executed one of his top military lea