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She looks like she could be in the church choir, but this sweet face belongs to a stone-cold Mexican hitwoman whose admissions about what she did with people after she killed them are about as sick as it gets.

Speaking from a Baja, California prison, Juana, a.k.a. “La Peque” (the little one), shockingly admitted she had sex with beheaded corpses, used their severed heads to pleasure herself, and drank their blood, Daily Star reported.

“I would feel excited by it, rubbing myself in it and bathing in it after killing a victim,” she said. “I even drank it when it was still warm.”

The striking 28-year-old from Hidalgo, Mexico, admitted she embarked on a life of crime from an early age, working as a prostitute to support herself and her baby after becoming pregnant at 15. She got involved with the notorious Zetas cartel soon after and worked as a lookout for police and army patrols, according to reports.

“Ever since I was a little girl I was a rebel, and then became a drug addict and an alcoholic,” Juana said.

Juana reportedly worked for eight hours at a time, and had little choice but to succeed. If she didn’t she was tied up and fed just one taco per day. Juana was also forthcoming about the horrors she witnessed while working for the cartel, even once seeing a man’s head completely smashed open, the report said.

“I remember feeling sad and thinking that I did not want to end up like that,” she said.

Juana is reportedly still in California awaiting sentencing.