Police report finds Elliot Rodger planned rampage for two years

SANTA BARBARA, Calif. (KGO) -- There are new details emerging on the student who killed six UC Santa Barbara students, including three from the Bay Area.

A just released report from the Santa Barbara County Sheriff's office finds 22-year-old Elliot Rodger planned his rampage for nearly two years.

On May 23, 2014, Rodger killed his two roommates and their friend in his apartment.

He then shot and killed two women before killing a sixth person.

The reports finds Rodger's internet browser history included research on Nazis, terrorists and how to kill people silently.

The report also says Rodger stockpiled weapons and ammo.