Alexandra Crime Investigation Unit detectives are investigating after two cars were stolen during an aggravated burglary in Wallan on 22 April.
It is understood an unknown offender gained access to a residential property on Charles Street about 6pm.
Police were told that an unknown man stole a red Volkswagen Jetta sedan and travelled along Charles Street.
It is alleged another offender threatened the victim armed with a knife before stealing another vehicle, a gold Mazda hatchback, which was parked outside the Charles Street residence.
The armed offender is described as being in his late teens, Aboriginal in appearance with short curly hair and wearing a black baseball cap.
There were no injuries.
Anyone with information or CCTV footage is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report at www.crimestoppersvic.com.auExternal Link.
