execution style killing remains a mystery. >> we are asking for donations of the blue ribbon. >> reporter: the houston suburb banning together and raised more than $120,000 over the weekend in support of his wife and two young children. >> i would want the family to know and they know he was a hero, even before all of this. he was a person that felt like he could make a difference. >> reporter: the suspect, 30-year-old shannon miles is expected to appear in court after gunning down the deputy in an unprovoked attack. the uniformed deputy was refueling his patrol car friday night at this chevron gas station when miles came up behind him and opened fire. >> the deputy fell to the ground. the suspect continued over to him and shot the deputy again, multiple times, as he lay on the ground. >> there was no evidence they