The FBI escalates its pursuit of an elusive hacker, but he soon turns the tables by questioning the legality of a key tool in their investigation.

The FBI escalates its pursuit of an elusive hacker, but he soon turns the tables by questioning the legality of a key tool in their investigation.

From counterfeit Beanie Babies to very real tax fraud: Two skilled hackers revisit the cyber schemes that landed them in the sights of law enforcement.

From counterfeit Beanie Babies to very real tax fraud: Two skilled hackers revisit the cyber schemes that landed them in the sights of law enforcement.

Several women recall their harrowing experiences with one man's heinous attempts at virtual blackmail, aimed at obtaining sensitive sexual material.

Several women recall their harrowing experiences with one man's heinous attempts at virtual blackmail, aimed at obtaining sensitive sexual material.

A women recounts her journey to becoming a mouthpiece for white nationalist hate speech, work that culminates in high-profile violence and murder.

A women recounts her journey to becoming a mouthpiece for white nationalist hate speech, work that culminates in high-profile violence and murder.

The murder of political staffer Seth Rich in 2016 spawns a myriad of unfounded conspiracy theories as the man's family - and the truth - hang in the balance.

The murder of political staffer Seth Rich in 2016 spawns a myriad of unfounded conspiracy theories as the man's family - and the truth - hang in the balance.

When an online gamer makes a series of fraudulent 911 calls to lure SWAT teams to innocent people's homes, his targeted trickery turns to tragedy.

When an online gamer makes a series of fraudulent 911 calls to lure SWAT teams to innocent people's homes, his targeted trickery turns to tragedy.