Two years ago, the FBI reportedly purchased a copy of the world's most coveted spyware, a tool that can remotely and silently crack into Androids and iPhones without leaving a trace, spilling device contents onto a console possibly thousands of miles away, with little more effort than entering a phone number.

This tool is Pegasus, and, though the FBI claimed it never used the spyware in investigations, the use of Pegasus abroad has led to surveillance abuses the world over. 

On Lock and Code today, host David Ruiz provides an in-depth look at Pegasus: Who makes it, how much information can steal from mobile devices, how does it get onto those devices, and who has been provably harmed by its surveillance capabilities?