Undercover Photos from inside Labs

While undercover inside the labs of the University of Utah (UU), PETA's investigator saw cats acquired from area animal shelters who had holes drilled into their skulls and electrodes implanted in their brains, rabbits who underwent highly invasive spinal surgeries, and monkeys who were kept all alone and constantly thirsty so that they would cooperate during experiments.

Here are just a few of the investigator's photographs from UU.