World's Most Wanted: Season 1

Ismael "El Mayo" Zambada Garcia, head of the Sinaloa drug cartel, maintains at large after a failed raid of his home. His son is arrested and turns over evidence leading to multiple arrests including the infamous 'El Chapo'. The Mexican government has since called for peace with the drug cartels.

Accused of financing the Rwandan genocide in the 90's, Félicien Kabuga spends decades eluding authorities.

Samantha Lewthwaite is first questioned after her husband is one of the suicide bombers in the 7/7 London subway bombings. Since then she is suspected to be involved in many al-shaabab terrorist attacks, and authorities believe is hiding in Somalia.

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.

Matteo Messina Denaro the brutal leader of the Cosa Nostra mafia is currently in hiding as authorities close in on his circle of allies.