Then we found two girls that seemed to be trafficked. One of the men who was on a phone followed at a distance. The advocates snapped photos, took down plate numbers and sent it back to command headquarters.
The volunteers gather intel, but stay out of way partly to protect the victims.
Britons are more likely to be arrested in the United Arab Emirates - the federation of which Dubai is a part - than anywhere else in the world.
The Foreign Office website warns that there is a 'zero tolerance for drugs and alcohol'.
Their lawyers said that because of the car's tinted windows, a policeman who had raised the charge could not have seen what the couple were doing inside.
Importing any drugs, pork products or pornographic books and material is also forbidden.
Between April 2008 and March 2009 there were 294 arrests and detentions of British citizens. A Dubai appeals court has thrown out a public indecency conviction and a month's prison sentence for a Pakistani couple accused of having sex in their car after the pair claimed they were together in a private place.
We`re about to show you why you might walk right by it without noticing.
Investigator Chris Hayes traveled to New Orleans with a team of volunteers looking to rescue sex slaves.