Authorities expand the search area for Michael Brown, the suspect in a mass shooting that killed four in Anaconda. Experts highlight challenging terrain and weather conditions.

Many people in Anaconda have taken extra precautions in recognition that Michael Brown is on the lam and likely unstable.

(CNN) — Investigators are still searching for a man they say shot and killed four people at a Montana bar Friday morning, closing parts of the nearby forest over the weekend as they work to locate the ...