A California man was arrested Saturday for
allegedly shooting dead a police officer and wounding another during a
15-hour standoff with a SWAT team.
De Jesus Valencia, 39, was identified by the Pomona Police Department
as the man who allegedly shot and killed Officer Gregg Casillas, 30,
A second officer was also shot in the face, authorities said on the department's Twitter and Facebook pages.
'Our hearts are heavy as we mourn the loss of our brother, Officer Gregg Casillas,' the department said on Twitter.