[UPDATED with 2nd Arrest:] People are Sought (and Found) in Violent Circle K Beer Robbery

The suspects

​UPDATE, JAN. 10, 4:03 P.M.: A 17-year-old boy was arrested this morning for allegedly being the second robber who participated in a violent beer theft from a Circle K market in Garden Grove last week. Like the 16-year-old suspect who turned himself in Monday, the second arrestee is not being identified because of his age.

According to a statement from Lt. Jeff Nightengale, the Garden Grove Police spokesman, detectives followed leads that led them to a Westminster school, where the 17-year-old was arrested without incident.

He was then taken to the Garden Grove Police Department, interviewed, processed and later transported to Orange County Juvenile Hall, where he was booked on suspicion of robbery.

Here is a look at him from the Circle K surveillance video:

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Meanwhile, because you have been asking, the Good Samaritan who jumped in and helped the market clerk being assaulted by the beer nappers has been identified as Alex Ruiz, 22, of Garden Grove.

He was grabbing a coffee when the fight broke out, and police credit Ruiz with preventing the clerk from taking a "vicious beating." Indeed, Ruiz's actions so impressed the men and women in blue that he was awarded the Chief's Coin of Merit, which recognizes residents who make a difference or do good, Friday afternoon.

UPDATE, JAN. 9, 5:35 P.M.: A 16-year-old boy turned himself in to Westminster Police today, claiming to be one of two youths who stole an 18-pack of beer from a Circle K market in Garden Grove last week and fought with the store clerk and a customer who tried to stop the thieves.

The boy says he is the attacker shown at left.

He is not being identified by police because of his age. Due to intense media coverage of the case, the lad surrendered to Westminster Police around 11:40 this morning before Garden Grove officers arrived to take him into custody, according to a statement from Lt. Jeff Nightengale, Garden Grove PD's spokesman.

The teen was scheduled to be taken to juvenile hall after processing, Nightengale added. Here is a bigger look at him:

Photos courtesy of Garden Grove Police Dept.

​His partner still has not been captured, although Nightengale notes investigators are following several leads. He was described at the time of the incident as 17 to 20, 5-feet-7, 150 pounds with dark hair and last seen wearing jeans and a gray hoodie sweatshirt. Anyone with information is asked to contact Garden Grove Police Investigator Wasinger at 714.741.5827 or 714.741.5704.