Episode 88: Francisco Guerrero Pérez - Serial Killers.
Francisco Guerrero Pérez was a Mexican serial killer who murdered at least 21 women between 1880 and 1888. He was known as "El Chalequero" (The Straw Hat Man) because he often wore a straw hat when he committed his crimes. Guerrero Pérez was eventually caught and sentenced to death, but he died in prison in 1910 before his execution could be carried out.