The handyman accused of killing Queens mom Orsolya Gaal was living here illegally, The Post has learned. David Bonola, a 44-year-old Mexican national, entered the US from Mexico about 21 years ago, according to the NYPD – and law-enforcement sources revealed Friday that he was living in New York in violation of immigration law when busted Wednesday for Gaal’s horrific slaying. SNIP The NYPD, asked about Bonola’s immigration status Friday, declined comment, saying it had no information.