HERMOSA, Bataan: Police arrested a school janitor who admitted hacking a stay-in nun and a teacher a few hours after the two victims were found dead at the Siena College of Hermosa in Bataan before 11 a.m. on Friday. Chief Insp. Palileo Addag, Hermosa police chief, said janitor Michelle Dabu, 39, upon questioning admitted to hacking to death Sister Ceferina Alvarez, 60 and Kinder A Teacher Ana Marie Ocampo, 29, of Prado Siongco, Lubao, Pampanga. The police chief said a resident pointed to suspect as leaving the school premises before the discovery of the victims. Police officers collared Dabu who by then had allegedly changed clothes and was among the many residents watching the dead bodies.