military group to try to assassinate ukraine president zelenskyy. putin's chef is one of dozens of russian oligarchs and businesses hit by these western sanctions. the f.b.i. offering $250,000 for information leading to his arrest with clear connections to vladimir putin. >> dana: let's bring in jack sweeney. the freshman at the university of southern florida. hi. you are 19 years old a student and do this. how do you do this? >> well, planes are all transmitter location. a security feature after 9/11. they all have eye dent filers and transmit speed and location and all that. there is public data of who owns the planes so you can pretty much track whoever as long as you know who owns them. >> bill: is there an app for that? >> yeah, but the thing is a lot of these planes on these public websites are blocked so i make