Updated to clarify the suspect in this case was not laid off.

Friday a 47-year-old engineer who had been canned earlier in the week allegedly killed his company’s CEO, the operations VP, and the HR lady, before fleeing. Yesterday police arrested Jing Hua Wu, former test engineer at a semiconductor company called SiPort Inc. and were holding him in the Santa Clara County jail pending arraignment on three murder charges.

Update: An earlier version of this post implied that the alleged shooter might have snapped after being laid off. But a recent report on Valleywag states the suspect was fired, and that the company has never laid people off. A report on KCBS radio Monday morning said the suspect was fired for poor performance, though a profile on the station’s website still says he was laid off.