Bike thieves can be quite professional and experienced, and are likely to figure out common placement points for trackers. Not to mention that they will try to

Bike thieves can be quite professional and experienced, and are likely to figure out common placement points for trackers. Not to mention that they will try to offload the bike quickly anyway, so you have a limited window within which to catch them. And even if you do catch the thief, you'd likely need further evidence to achieve a conviction. It's a frustrating problem.