A protesters tries to pull down an Albuquerque, N.M. street sign Sunday March 30, 2014, during a rally against recent police shootings. Hundreds of protesters marched past riot police in Albuquerque on Sunday, days after a YouTube video emerged threatening retaliation for a recent deadly police shooting. The video, which bore the logo of the computer hacking collective Anonymous, warned of a cyberattack on city websites and called for the protest march. (AP Photo/Russell Contreras)