> leaves their cellphones at home while committing crimes, using burner phones for any contact they need during that time That's getting a lot harder to do in

> leaves their cellphones at home while committing crimes, using burner phones for any contact they need during that time That's getting a lot harder to do in practice. OPSEC is hard when you have to care about stuff like overlapping usage of the burner so the movement logs of the regular phone stopping don't correlate with when the burner starts moving. Zoz gave a great overview[1] of modern cellphone OPSEC at DEFCON 22. [1] https://www.youtube.com/watch?v=J1q4Ir2J8P8#t=2292 https://www.youtube.com/watch?v=J1q4Ir2J8P8#t=2292