PORTLAND AMultnomah County grand jury has indicted three men accused of going on a crime spree that ended in an officer-involved shooting and the death of a K-9.

Jemaell Diamond Riley, 25, and Steven Jeffrey Young, 20, entered not guilty pleas during their arraignments Monday morning. They were scheduled to go on trial starting June 10th.

The accused shooter, 20-year-old Paul Alan Ropp, faces a total of 17 charges, including attempted murder and assault on a police animal. His arraignment is scheduled for Tuesday on the indictment.

The three men were jailed in connection with a burglary and shootout that killed a police dog earlier this month. They had attempted, but botched three other burglaries before that, according to court documents.

More: Suspect in Portland K-9 killing faces 17 charges

The court documents also said that investigators believe the motive in the unsuccessful crime spree was easy money.

The three talked about robbing a bank or holding up an armored car, according to probable cause affidavits. But in the end, they couldn't pull off a single burglary without getting caught.

Related: K-9 shooting reportedly came after crime spree

They reportedly broke into company cars outside the Comcast building on Northeast Sandy Boulevard and stole uniforms and other items, but never made it inside.

They waited with loaded guns outside a Portland T-Mobile store several times with plans to rob it, but aborted each time because of potential witnesses, the affidavit shows.

They also allegedly planned to use smoke bombs to help them kidnap a jewelry store owner as he walked to his car, and then they thought they would drive him to several locations and force him to empty the safes.

Police said the suspects even got as far as lighting off the smoke bombs in the parking garage, but abandoned the plan when they saw a family coming off of a nearby elevator.

In their fantasies, these goofy crimes were always successful, forensic psychologist Frank Colistro told KGW Monday. So in a sense you can kind of hypnotize yourself into believing that you're actually way more competent than you are.

And then last Wednesday they broke into Blumenthal s Uniforms with the intention of outfitting themselves for a much bigger heist, documents show. They allegedly got away with ballistic vests, SWAT helmets, uniforms, smoke grenades and sample badges.

But as the men left the scene they were spotted by officers and tried to flee, crashing the getaway vehicle into a telephone pole, police said.

Riley and Young stayed in the vehicle and were taken into custody. Ropp allegedly came out shooting an AR-15 rifle, injuring officer Jeff Dorn and killing his K-9 partner Mick.

More: Mick exemplifies bond between K-9 partners

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