Man in cop ambush harbored resentment of government
Tracey Grissom calls 911 after she shot and killed her ex-husband, Hunter Grissom, in Northport, Alabama, on May 15, 2012.
William Dockery calls 911 after witnessing the shooting of his boss, Hunter Grissom, in Northport, Alabama, on the morning of May 15, 2012.
Parents of Ga. teen Kendrick Johnson, found dead in rolled-up mat, focus on whereabouts of wrestling team members
Girl found dead in Nashville river may have been murdered; phone number in her pocket helped develop timeline
Second night in row of trouble; tensions high ahead of grand jury decision on Michael Brown shooting
An ex-Marine with a secret life has a girlfriend who goes missing in Panama - what happened to Yvonne Baldelli?
Former reality TV producer on trial for murdering his wife in 2010 speaks with "48 Hours" and turns the camera on himself for a look at life inside a Mexican prison
A teen's 1969 murder haunts a Massachusetts community -- more than 40 years later, would a new witness crack the cold case?