Three people were killed Saturday at a brand-new In-N-Out Burger in Twin Falls, Idaho, when gunman Chad Williams opened fire before dying from a self-inflicted gunshot wound; motive remains unknown.

Three people died and four were wounded, including a toddler, in a gunfight among rival parties at Seattle's Bite of Seattle festival on July 26; one teenager was detained and a second suspect remains at large.

A targeted shooting across three East St. Louis locations on July 12 killed five members of the May and Thompson families, with two juvenile suspects detained within hours.

A gunman killed two toddler sisters and a 42-year-old man at a southwest Fort Worth fireworks gathering on July 4; a suspect faces capital murder charges.

Six people were shot dead at a mother-child welfare center in Stade, Germany on June 29 by a man who had a custody appointment at the facility that same morning.

Darlington County Sheriff's deputies and SLED are jointly investigating after a man was fatally shot at the Purple City nightclub just after 4 a.m. on June 28, with no suspects identified or arrested as of Sunday morning.