Kinniebrew was killed June 23 around 11:30 p.m. at the Willow Lake Apartments, 3002 S. 208th St.
Another man, 29, from SeaTac, was arrested on an outstanding misdemeanor warrant and is being held pending an additional investigation into the murder.
According to the King County Medical Examiner's office, Kinniebrew died as a result of multiple gunshot wounds in the stairwell of the apartment building he lived in.
Both suspects arrested in Federal Way.
The Federal Way man was booked in the King County Jail and the SeaTac man was booked into the Kent City Jail.
Compiled by Sara Loken