
The second guy was called a ‘suspect’ because he was found with a gun, but he actually was trying to take out the shooter and got shot.
HOUSTON (KTRK) — Multiple abc13 sources have identified the suspect in Sunday’s west Houston mass shooting as a 25-year-old veteran from California. Dionisio Garza III is from San Bernardino County and served four tours of duty in Afghanistan. He was discharged from active duty in 2014, and doesn’t appear to have a criminal history.[…]
Another shooter is in the hospital, but according to HPD sources, this second armed person is not a suspect. They tell us he tried to shoot the suspect, but was shot himself.
Two deputy constables from Precinct 5 were shot. One man was shot in the hand, but was treated and released. Another was saved by his bullet-proof vest.
One victim, Denise Slaughter, was shot five times and is currently in the Intensive Care Unit. She’s expected to be OK, but will have a long road to recovery. We talked to one of her family members who told us Denise was leaving the neighborhood, driving to brunch when the gunman opened fire.
The family member, who didn’t want us to use her name, said, “They kept shooting at us. …Denise had good sense to step on the gas. … We got to safety, and saw that her wound was gushing blood.”
Update:
Father said he struggled since he got out of the army in 2014.

His mother noted this in 2013:

He had a Army buddy write this to him on Facebook, I have not included the man’s name for his own privacy.

There is nothing specific on his social media which would indicate why he would shoot people.
Update:
Via Daily Mail:
His father told Click 2 Houston: ‘We have not received confirmation, but I strongly suspect. I really believe this is a PTSD thing.
‘On the internet he met some people or some people that believed like him.’
His father added that he decided to move to Houston to meet others who thought the United States was on the brink of collapse.
He was rambling off about the economy collapsing, you know,’ his father added.’And that something was going to happen by Monday, that kind of stuff. Of course you look back now and there were signs.’
He last spoke to his son on Saturday and could sense that something was wrong.
He did have one tweet related to ‘economy collapsing’.

