Hector Leopoldo Martinez Machuca, 24; Adam Chow, 65, and Chow’s 4-year-old granddaughter, Astrid Fung, were killed in the shooting.

Ethan Nieneker, a 32-year-old white man, spent time behind bars in 2016 and 2017 for family violence, driving while intoxicated and for violating the terms of his bond or protective order, according to court records.

AUSTIN, Texas — Police have identified the man they say shot and killed three people in a North Austin Target parking lot, assaulted multiple others and destroyed multiple vehicles in the span of less than an hour on Monday.