Abrahem Balata, 39, was identified to police by one of the surviving victims.
Victure Brown, 36, was taken into custody Thursday on an arrest warrant.
For sexual assault cold cases from the Louisville area, KSP and LMPD are working together to try and find answers, even if decades have passed.
Kevin Powell, 60, is charged with murder, assault, and possession of a handgun as a convicted felon.
Hassan Mohamed, 20, and Jrome Fitch, 22, were both indicted in July for illegally possessing a firearm.
Thursday, Keeling was found guilty in federal court on drug charges and for being a convicted felon with a gun.
The shooting happened on July 23, 2022 at the Boone's Marathon Gas Station on North 22nd Street in the city's Portland neighborhood.
Hutchinson is currently being held in the Clark County Jail until he is extradited to Bullitt County.
He was taken into custody Wednesday.
The former MSD truck driver was convicted of murder Tuesday night for the death of Det. Deidre Mengedoht.