Flavio Méndez Santiago (alias El Amarillo) is a Mexican drug lord of Los Zetas.

Andre Rand (born Frank Rostum Rushan; March 11, 1944), also known as Frank Bruchette and dubbed the Pied Piper of Staten Island, is an American convicted child kidnapper, sex offender and suspected serial killer who is currently serving two sentences of twenty-five years to life in prison for the abductions of two girls, age 7 and 12, on Staten Island, New York. He is eligible for parole in 2037.

Satinderjeet Singh (born 11 March 1994), also known as Goldy Brar, is a Canada-based Indian gangster. Born in Punjab's Muktsar district, he is wanted by Indian authorities in connection with murder, attempted murder, and drug trafficking.

Darya Nikolayevna Saltykova (Russian: Да́рья Никола́евна Салтыко́ва; née Ivanova, Ива́нова; 11 March 1730 – 9 December 1801), commonly known as Saltychikha (Russian: Салтычи́ха, IPA: [səltɨˈt͡ɕixə]), was a Russian noblewoman from the Saltykov family, sadist, and serial killer from Moscow. She became notorious for torturing and killing many of her serfs, mostly women.