Diogo Alves
Diogo Alves (c. 1810 – 19 February 1841) was a Spanish criminal executed in Portugal for his involvement in a robbery-murder case that left five people dead. Though popularly remembered today as the so-called "Aqueduct Murderer", who allegedly killed dozens of victims by throwing them off Lisbon's Águas Livres Aqueduct, this reputation is not supported by contemporary legal evidence.