Episode 1
Even after son Vicente and top lieutenant El Chapo are arrested, reputed Sinaloa Cartel chieftain El Mayo is suspected of ruling his region of Mexico.
Episode 2
Accused of financing the Rwandan genocide in the '90s, Félicien Kabuga spends decades eluding authorities.
Episode 3
A Muslim convert born in the UK, Samantha Lewthwaite denounces the 7/7 London subway attack. Later, she's suspected of masterminding acts of terror.
Episode 4
Semion Mogilevich, who's believed to be the "boss of bosses" in the Russian mob, is run out of Hungary and back to Russia. He remains powerful and free.
Episode 5
Suspected of orchestrating the murders of two judges and a series of terror attacks in 1993, Matteo Messina Denaro is still a fugitive at large.
