An International Mobile Subscriber Identity-catcher, or IMSI-catcher, is a telephone eavesdropping device used for intercepting mobile phone traffic and tracking location data of mobile phone users.
Similarly, you may ask, can you be killed by a StingRay?
Stingrays have several sharp and venomous barbs on their tails that they use to defend themselves when they feel threatened, though experts at the time stressed that stingrays were not usually vicious and rarely attacked and killed humans.
How does a StingRay attack?
Stingrays generally do not attack aggressively or even actively defend themselves. When threatened, their primary reaction is to swim away. However, when attacked by predators or stepped on, the stinger in their tail is whipped up. This is normally ineffective against sharks, their main predator.