Four suspects accused of helping Gustavo Arriaga hide from police last week were back in court Friday morning. Their pre-trial hearing got continued for another five weeks only because of the wide scope of information attorneys are still trying to sort through. 

Attorneys have more than 600 pages worth of discovery to go through and look for any conflicts of interest.

Here's where everything stands right now.

Investigators say 33-year-old Gustavo Arriaga shot and killed Corporal Ronil Singh during a traffic stop the day after Christmas.

Arriaga, also known as, Pablo Mendoza, was taken into custody after a three-day manhunt. He appeared in court a week after the shooting, but his public defender questioned his mental stability. 

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A judge suspended his proceedings and ordered a doctor's report on his mental competency before anything can continue.

The seven suspects accused of helping Arriaga hide are in custody and have all pleaded not guilty in county court but federal charges have been filed. Four of the suspects are based out of Stanislaus County and the three others are based out of Kern County.

According to paperwork filed by federal prosecutors, after Corporal Singh was shot and killed, Arriaga's first stop was the mobile home park where he lived with his girlfriend in Newman.

While there, investigators say, he concealed his truck by using large pieces of plywood.

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The court documents say his girlfriend gave Arriaga several sets of clothing. These were only the early stages in his apparent plan to get to Mexico without being captured in the U.S.

The court documents also say others in the group helped him get rid of the alleged murder weapon, gave him rides, wired money to help him get to Mexico and bought him a new cell phone.

All seven are accused of harboring an illegal immigrant and shielding him from detection, each could face up to 20 years in prison.

Four of the suspects are expected to be back in Stanislaus County Court the same day Arriaga is expected to appear for his mental competency review on February 7, at 8:30 a.m.

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