GRAFFITI tags could hold the key to a weekend vandalism spree.
Police are investigating a series of graffiti attacks around Pakenham.
CIU Detective Sergeant Phil Jury said the attacks took place between 8 pm on Friday and 8 am on Saturday and at least one shop and two cars were damaged.
The tags were sprayed on the wall of Autobarn on the Princes Highway and on cars parked in River Red Grove and Shearwater Drive, Pakenham.
Anybody with any information is urged to contact police on 5945 2500.