The search for victims of deadly flooding in Texas Hill Country is headed into its third week as officials try to pin down exactly how many people remain missing.

The search for victims of deadly flooding in Texas Hill Country is headed into its third week as officials try to pin down exactly how many people remain missing and lawmakers prepare to discuss authorities' initial response and providing better warning systems.

Professional crisis communicators watched the news conferences with dismay. Deflecting blame is not helpful if politicians want to build trust with the public, they say.