10:41 p.m.
Detroit police chief James Craig now says three people are in custody in the attack outside the Greektown casino.
Craig revealed the information in a Facebook post.
6:14 p.m.
Detroit Police have arrested the two men they say were the most violent in this weekend's attack in Greektown that sent Brandon Putman and two of his cousins to the hospital.
Putman, a 23-year-old musician and janitorial worker, was left unconscious during the attack that happened as he, his cousins and a few friends were leaving the casino. They had been celebrating Brandon's birthday.
Police are searching for six more men and urging them to turn themselves in.
Click on the video to hear from Putman's loved ones and Detroit Police Chief James Craig.
