Four people were killed in Tulsa on June 1 after a gunman -- who was later found dead -- opened fire on the second floor of a medical building, authorities in Oklahoma said.
Mandatory Credit: MICHAEL NOBLE JR./REUTERS
Four people were killed in Tulsa on June 1 after a gunman -- who was later found dead -- opened fire on the second floor of a medical building, authorities in Oklahoma said.
Mandatory Credit: MICHAEL NOBLE JR./REUTERS
