The suspect was identified as Shane Tamura, of Nevada, two people briefed on the investigation told the AP. Sources said he fatally shot himself.

Blackstone, one of the world’s largest investment firms, confirmed one of its employees, Wesley LePatner, was among those killed. A Yale graduate, LePatner was a real estate executive, according to Blackstone’s website, and spent more than a decade at Goldman Sachs before joining the firm in 2014.