India, Aug. 13 -- Ethan Nieneker was identified as the man who fatally shot three people in a Target parking lot in Austin on Monday, police said. The victims included a 4-year-old child and her grandfather. Officials said that Nieneker had a history of mental illness and opened fire randomly. Now, the 32-year-old's alleged Facebook profile has surfaced.

Nieneker killed a Target worker gathering shopping carts, then killed a man and his granddaughter before stealing their car. Police Chief Lisa Davis said he had a history of mental health problems. No specifics were revealed.

"What happened yesterday was an unprovoked and deliberate attack, a deliberate act of violence," Davis said at a news conference.

"Innocent lives were taken in br...