“It also supports policing and other partners as they respond to terrorism and other crimes impacting on the UK’s communities.”
America signed an agreement with Europol in 2001 and has added further cooperating and intelligence sharing powers since.
The US has staff from 11 different federal enforcement agencies working at the liaison bureau at Europol headquarters in The Hague in the Netherlands.
Europol also has two senior liaison officers working in Washington. In contrast, the UK currently has a 17-strong team working at The Hague and Brit Rob Wainwright is the director of the 1000-strong staff.
A government spokesman said: “The UK is leaving the EU but the reality of cross-border crime remains. The priority as we enter into our negotiations to leave the EU will be to secure the best possible deal for Britain, including cooperation on law enforcement and counter-terrorism work.