VINTO, Bolivia — First, they tried to rip Patricia Arce’s clothes off.
When she fought back, the masked men came down on her with sticks, beating her until she passed out. When she came to, they pulled her up, removed her shoes, and forced her to walk down a long street covered with broken glass.
The frenzied crowd led Arce, the mayor of Vinto, a small town in central Bolivia, away from her office. They said they were walking her to her death. Along the way, someone doused her with red paint and gasoline. Then a woman rushed up to her and chopped off clumps of her hair, at one point slicing a chunk of her scalp off.
Videos of the assault, which took place last month, were quickly uploaded to…