They're cheap and ubiquitous, no one is looking for them, and the data can be fed from an anonymous prepaid SIM to a virtual number (Google voice, for example).

They're cheap and ubiquitous, no one is looking for them, and the data can be fed from an anonymous prepaid SIM to a virtual number (Google voice, for example). Not surprised that this happened, surprised that the burglar was sophisticated enough to plan this but not sophisticated enough to recover it as well.