enough to provide you the house. reporter: the kindness continues sam s nephew will pay for their utility bills. what would you say to people who want to help but don t know how. we didn t know either just get started reporter: it requires volunteers to commit to three months, but she says the bonds forming now will last a lifetime vicky nguyen, nbc news. and up next, a holiday mystery for the police, trying to find and thank a boy for his act of kindness