A witness to the deadly crash of a helicopter carrying Kobe Bryant and eight others said it sounded normal just before slamming into a hillside and wreckage at the scene showed no sign of engine failure, federal investigators said in a report released Friday. The Jan. 26 crash occurred in cloudy conditions and experts said the ''investigative update'' from the National Transportation Safety Board reinforces the notion the pilot became disoriented and crashed while trying to get to clear skies around Calabasas, northwest of Los Angeles. SAN FRANCISCO - Former fan favorite Hunter Pence is returning to the San Francisco Giants, agreeing to a contract that will give the young club a veteran presence in both the outfield and clubhouse in a season of big change ahead.