The unidentified man is believed to be in his early 20s.
Simi Valley police identified the gunman as Ryan Carnan, 29.
A hazardous materials team on the scene analyzed powder found in the letter and determined it was not harmful.
Peter Foy II was arrested Friday.
The pursuit leads police through Simi Valley.
A 15-year-old Moorpark boy was struck east of Spring Road by a Los Angeles to San Luis Obispo Amtrak train moving at 70 mph.
Moorpark has experienced thefts of SUV third-row seats even in daylight hours.
Neither the driver nor his three passengers sustained life-threatening injuries, the Sheriff's department said.
Thieves are stealing remote controls for garage doors and then burglarizing homes.
Three people were arrested in connection to oxycodone sales.
Four people are considered in serious condition, police say.
NOTE: The following videos, as posted on YouTube, are made up of raw footage. Note some contain adult language.
Three people are arrested.
Fines for having or igniting illegal fireworks can be up to $1,000.
Each bicycle is equipped with many of the same items found in a police vehicle including first aid supplies.
The Ventura County Fire Department reports that the forward progress of the fire has been stopped.
Malia Brooks, who admitted to substantial sexual contact with the 14-year-old, faces a maximum 12-year prison term.
Police believe the woman committed forgery as well as burglary.
The man was found guilty of soliciting another person via the Internet to sexualy assault a child.
The accident took place on Lynn Road.
Suspects demand immediate bill payment and threaten to disconnect service.