it looks like a big situation. >> it is a lituation. he lit 18 vehicles on fire. eight bikes and two cars were destroyed. >> you are causing damage to other people's property. you don't know what kind of situation that will put people in. >> it is a psychological thing. there is no rhyme or reason. >> walks right up to this pretty bike and does the same thing. >> what is he lighting? >> probably the gas tank. so many easy ways to get that fuel going and boom. >> they haven't been able to catch up to this dude. >> he he sent that bike alight next to a building. >> watch them find him on a motorcycle. >> in canada, we have a clear picture of these two. >> what are they stealing? >> it is clothes. every time something like this happens, it causes so much damage, it puts the business owner into a situation of considering to close down the place. >> they have to be closed down enough to fix the damage. >> reports are this is a team of a man and woman and they've done it more than once. in this case, it was about three days between the hit. >> they take their hits. load