Uncooperative witnesses hold up shootings, stabbings cases

STERLING - It started with a single gunshot fired along the Hennepin Canal nearly 3 months ago. Minutes after a gang-related brawl at a local water park in Rock Falls, a man went down under the 11th Street bridge with a 9-mm bullet in his buttocks, and police arrested 25-year-old DeAngelo A. Davis. Over the next 10 weeks, an unusual wave of violence swept over the area - stabbings, shootings and violent brawls that sometimes involved as many as a dozen perpetrators. The tide appears to have ebbed, but in its wake, police have a mixed bag of motives, and a long lineup of suspects and leads that overworked and understaffed departments are straining to follow. "We're doing the best we can with what we've got," Sterling Police Detective Jason B