terrorist groups
organizations
The May 19 Communist Organization, a clandestine Marxist revolutionary group with roots in the Weather Underground, participated in a 1981 armored car robbery that renewed interest in the remnants of the new left terrorism. By the mid-1970s, the infamous group of armed white revolutionaries known as the Weather Underground had split into bickering factions. [Source: Encyclopedia of Terrorism; May 19 Communist Organization]
terrorism in North America
May 19 Communist Organization