While the investigation into Hamilton's first murder of the year continues, Hamilton police say they are not looking for any other suspects.
This follows Saturday's arrrest of a 19 year old man described by police as a supplier to the Madison Avenue crack house involved in Swistak's murder.
Staff Sergeant Ian Matthews says he believes the killer of Swistak was a supplier to the Madison Avenue crack house.
A search of an Emerald Street North address turned up a handgun which is undergoing forensic testing.
Odain Gardner has been charged with possession of crack cocaine for trafficking and possession of a loaded prohibited firearm.