Dive summary:

• It is way too easy, Edmonton, Alberta, police say, for someone to walk onto a construction site in the right clothing and leave with contractors' equipment, so they are kicking off a "tattoo" campaign to fight the problem.
• Beginning Friday, police in the Canadian city will be giving away paint that's hard to get off and markers with ink that shows up under ultraviolet light, and they want contractors to "tattoo" their equipment – skid steers and the like – that could be driven away by thieves.
• Police say the construction industry too often uses equipment fitted with generic keys that make it easy for the gear to be stolen, and markings will make it easier to recover ill-gotten gains.

From the article:

“This started because we were seeing an increase in the number of thefts,” said Leila Daoud, a police department communications adviser. “We heard about welding your name on a piece of a equipment, but it is more challenging ... these are cost-effective.” ...