rosa floor is has more on that, reporting from a community now coming to grips with a profound loss. >> reporter: the challenges start with the vague descriptions of the suspects coming from the last exchange with police dispatch tuesday. at 7:52 a.m. lieutenant joe gliniewicz calls in about three suspicious people according to authorities. >> a male white and male black that fled from scene taking the officer's side arm and pepper spray. >> reporter: the situation escalates and lieutenant gliniewicz calls for backup at 7:55. then radio silence from lieutenant gliniewicz. at 8:01, a.m., backup officers arrive on scene. it takes them 8 minutes to find