On 4 July 1857, the Dead Rabbits raided a Bowery Boys clubhouse and kicked off two days of gang warfare in Lower Manhattan. Around 1,000 fighters. Eight confirmed dead. The police ran away.

Kim Philby was Britain's most damaging double agent, passing secrets to Moscow for nearly thirty years. Here's how he was finally caught, who he worked with, and what happened after he fled to Russia

The Bowery Boys were a nativist New York street gang who spent the 1840s and 1850s fighting Irish immigrants in the streets of Lower Manhattan. Their most infamous member was Bill the Butcher. Their politics shaped American history.