andrea florespo still unknown what led up to that shooting who who did it. >> reporter: it's been three days since spencer was shot and killed inside that home and no answers. the family is hoping a crime stoppers reward will lead police to the suspect. monday night denver police found gervais spencer shot inside this home on maxwell place. the department of corrections transitional home with seven other parolees. >> he was working hard to get his life together. [ crying ] >> and loved very much. and i just can't believe nobody doesn't know anything. i can't believe it. >> reporter: if you have any information about what happened that night, denver police and crime stoppers ask that you give them a call. you could be eligib $2,000. >>> right now the mcnick cols building in downtown denver is welcoming guests for the first time in more than a year. the historic building reopened this morning. >>> happening tonight, vice president joe biden will speak at the university of denver. shaun boyd there now furs tonight. and this isn't a campaign event. politics most likely will come up. >> repo