Sean Power, of Ottawa, Ontario is happily reunited with his stolen laptop, thanks to free tracking software called Prey.

According to HuffingtonPost, Power received a report from Prey indicating that his laptop was in use at a Brooklyn, NY bar.

Power called the police, but they said he had to make a report in person. Given that he was 800 miles away, that proved to be too tall an order. In the meantime, a woman who was following the action on Twitter, went down to the bar and got the laptop back.

Here’s a look at some of what Prey can do–it activates the built in camera and takes a photo of the perp, for one: