and she screams out sam. >> cindy jumped in her car to be at her brother's side. a thousand questions swirled through her mind. why sam? who shot him? and why was he at that apartment complex? >> a firefighter gunned down. but this seemed like more than just a random shooting. coming up -- >> there's some infidelity going on and there's a reason a cause for concern. >> when dateline continues. >> when dateline continues 's th. lowe's has our widest selection ever. with all the trimmings. fthe prilosec otc two-weekymore. challenge is helping people love what they love again. just one pill a day. 24 hours. zero heartburn. because life starts when heartburn stops. take the challenge at prilosecotc dot com.