Carlos Eduardo Robledo Puch (born January 22, 1952, in Buenos Aires, Argentina), also known as "The Death Angel" and "The Black Angel", is an Argentinian serial killer. He was convicted for 11 murders, one attempted murder, 17 robberies, one violation, one attempted rape, one count of sexual abuse, two kidnappings and two thefts.
He was sentenced to life imprisonment to be served in the high-security jail of Sierra Chica, near the city of Olavarria. In July 2000, he became eligible for parole; however, he didn't submit a petition.On May 27, 2008, Puch asked to be paroled. However, a judge denied his petition considering he is a threat to society.