2. Process of on the street negotiations with authorities, often with the help of a legal observer, to get protesters who have been detained out of police custody.
3. Informal term for a legal process where persons who have been arrested can be released on the grounds of false arrest or insufficient evidence.
2. "The cops had a few kids in cuffs against the wall, but the legal observer managed to convince the sergeant to let them go before the paddy wagon showed up."
3. "They all got arrested at the march but we went down to the police station, and thanks to the legal aid, had them all unarrested because the charges wouldn't stick."