Detectives believe Mr Kerhart can help with an investigation into burglary and stealing incidents that occurred in November and December.
The 39-year-old is described as having an olive complexion, approximately 187cms tall, with a medium build, short brown hair and hazel eyes.
Any members of the public who see Mr. Kerhart are advised not to approach him, but call Police immediately on 131 444.
Anyone with information regarding his whereabouts are asked to call Crime Stoppers on 1800 333 000 or report it online at www.crimestopperswa.com.au . People providing information to Crime Stoppers may remain anonymous if they wish.
Baldivis Police on the lookout for reckless dirt bike riders
WATCH: Youths captured on CCTV stealing car in Golden Bay
Fire crews battle early morning blaze in Warnbro
Driver charged over alleged hit-and-run on Mandurah Terrace
More paramedics, ambulances to be stationed in Dawesville, Australind
Strict demersal fishing bans to come into force off WA coast to save species from extinction
Police call for witnesses to fatal Waroona crash
Teen injured in suspected hit-and-run in Mandurah