Halton Regional Police are investigating a string of Graffiti around the Town of Milton. More specifically they’re looking for WHO has been spray painting the word WHO around town. Over the last couple of weeks police have identified and discovered over 43 WHO marks throughout the town. Police are asking for the public’s assistance in locating WHO this could be. the tagging appears to be focused around Thompson Road South, especially concentrated in the area of Bessy Trail and Slessor Heights. The value of damage has yet to be determined. anyone with information should contact Halton Police.