ALGER, Wash. (AP) -- Charges were filed Wednesday against a 28-year-old man accused in a shooting and stabbing rampage that left six people dead and four injured.

Issac Zamora was charged in Skagit County District Court. Bail was set at $5 million.

The State Patrol says the dead included a Skagit County sheriff's deputy and the wounded included a Washington State Patrol trooper shot while trying to chase the shooter down on Interstate 5 Tuesday afternoon.

Zamora, who has a lengthy criminal record was released from the Skagit County Jail in Mount Vernon on Aug. 4 after a drug arrest.

KING

Isaac Zamora

 Photos: Shooting scene

A woman who identified herself as the arrested man's mother told KIRO-TV she has tried for years to get mental help for her son. Dennise Zamora told a Seattle TV station: "When they're over 18, you can't make them go anywhere."

The victims were not immediately identified.

The dead were found at multiple crime scenes. They included the deputy shot while responding to a call and a second person killed at the same location near the small town of Alger; two construction workers found shot nearby, and a third body found a few houses away, according to Leary. Leary added that authorities are investigating any connection among those sites

A motorist was shot and killed on Interstate 5 as the suspect fled south.

Oregon connection

The shooting rampage in Washington had an Oregon connection. KGW Newschannel 8 learned one of six people shot and killed near the small town of Alger, North of Seattle had ties in Oregon.

Deputy Anne Jackson was a sheriff's deputy in Skagit County. KGW confirmed Deputy Jackson had a mother living in Yamhill. The family did not want to talk to the media.

Mount Vernon Police Department

Deputy Anne Jackson was one of six people killed Tuesday in a shooting rampage in Skagit County.

Authorities sad Deputy Jackson was dispatched to a disturbance call just after two Tuesday afternoon. After dispatch failed to hear from Jackson by radio, dispatchers sent for backup. Deputies found the deputy and a second victim.. dead. Over the next several hours, police found four more people dead and two wounded, including a state trooper.

After a chase, the suspect, 28-year-old Isaac Zamora turned himself in. His mother, Dennise Zamora said her son has a serious mental illness, but was doing fine yesterday morning.

"He was so placid this morning. It was like he was more agreeable that usual...said are you going stretch your legs?"

Zamora's mother also said Deputy Jackson had tried to help the family in the past. She called Jackson "sympathetic and gracious." She also mentioned that Deputy Jackson said her brother was also dealing with something similar to the Zamora family.

Authorities said Zamora was released from jail about a month ago, after he served time on drug charges.

Deputy Jackson died at the age 40.