The suspect shot three teenage girls and then attacked the 12-year-old girl, the sheriff said.

A man shot dead three teenagers and then sexually assaulted a 12-year-old girl in a home in a suburb of Houston, the Harris County Sheriff’s Office in Texas said Sunday.

According to Sheriff Ed Gonzalez, the suspect was found dead in the master bedroom of the Galena Park home from self-inflicted gunshot wounds.

Officers who arrived found other victims aged 13, 14 and 19 dead inside the house, he said.

City officers from Galena Park were dispatched around 10:30 p.m. Saturday following reports of a shootout and an allegation of sexual assault by a 12-year-old boy, Gonzalez said.

According to the sheriff, the sheriff praised the girl for being smart enough to grab an unharmed one-year-old child and run to the neighbors.

According to NBC affiliate KPRC of Houston, the girl was nude at the time.

“When she ran out, she was able to think about it, thankfully, and was able to grab a one-year-old baby,” Gonzalez said.

According to him, the 12-year-old boy was hospitalized.

Authorities at the scene told KPRC that the 19-year-old victim was pregnant. Her fetus was not among the dead.

The sheriff said an argument broke out between the suspect and at least one of the teenagers before the shooting erupted. KPRC reports that one of the teenage victims was not a family member but was visiting.

The suspect may have already been angry that someone had said hello to his girlfriend, the mother of two victims, sheriff’s officials and a family member told the TV channel.

The woman briefly left the house when the violence occurred, according to KPRC.

The identity of the dead, including the suspect, could not be established.