Arvada police said Sunday they have "reason to believe" that deadly attacks at two religious institutions 70 miles apart that left four dead and six injured are probably linked. Arvada Police Chief Don Wick said his agency sent officers to share notes with Colorado Springs police. And late Sunday, authorities from both agencies were searching a home in southeastern Arapahoe County they say could be related to the case. "We have reason to believe that the two may be related," Wick said at a news briefing. Two people were fatally shot at a housing complex for missionaries in training at...