More than 100 public safety officials officers from Northern California responded without being requested to the crime scene after learning that one of their own had been killed at the start of a weekend shooting rampage.
There were representatives of federal, state and local police departments, who swarmed six separate crime scenes across a 30-mile region encompassing two counties,
The officers will all be questioned as part of the complex, ongoing investigation into the attack on Friday that ended after two deputies were dead and two other victims were wounded.
Two suspects were questioned for hours as authorities sought a motive for the shootings that began when Sacramento County sheriff's Deputy Danny Oliver, 47, was shot in the forehead with an assault rifle at close range as he checked out a suspicious car in a motel parking lot.
Deputies suspect the shooter was 34-year-old Marcelo Marquez of Salt Lake City, who was being held without bail on suspicion of two counts of murder, two counts of attempted murder and two counts of carjacking. 38-year-old Janelle Marquez Monroy, is the alleged shooter's wife was also in custody on suspicion of attempted murder and carjacking.