. >> for his part, matt thomasic took spanish classes and learned beyond the language. >> a vast majorityem are here because there is no alternative. >> they need to work. >> they need to work, they can't in their home land and i respect that. i got to feed my family, going to do what it takes. >> reporter: the new relationship with the men has paid off. what kind of change have you noticed? >> a significance, there aren't people hanging out in the middle of the streets drinking, urinating on themselves. just a better place for people to be around. >> thomasic and villalobos say, because of their work with the men immigrants throughout the neighborhood who once feared the police now approach them, tipping them off to possible crimes. have you been able to solve crimes because you do have trust of some folks here that you didn't have before? >> i've been able to solve four homicides because of this approach. not because i'm a super-cop but because of the relationships and the trust that i have amongst the people that live here work here go to school here have businesses here. >> now office