Florida police say a Port St. John mother shot and killed her four children early Tuesday morning before turning the gun on herself. Tanya Thomas, 33, shot her children Joel Johnson, 12, Jazlin Johnson, 13, Jaxs Johnson, 15, and Pebbles Johnson, 17, in their home before taking her own life. A next-door neighbor was awakened by the sound of gunfire, then a knock at the door. Three of the children were there, asking for help. Joel Johnson was bleeding, and said he'd been... (GunPolicy.org)