this is george watson for segment 2 at cave city. >> when we come back, wait until you hear which celebrity this kid thinks john looks like. >> follow second look on facebook and twitter. why shop t.j.maxx and marshalls? one. you get all the awesome brand names. two. you get them for less than department stores, and that's awesome. three. she'll think you look stylish and awesome. four. you'll actually be awesome, which is awesome. t.j.maxx and marshalls. two awesome ways to score. >>> in 1998 john traveled to mexico to bring us the story of a series of killings along mexico's boarder with the united states. was a serial killer stalking women just south of el paso. >> this desert has become known as the dumping ground for women's bodies. about 20 murdered women have been found here. and it is here that mothers come to search for their missing daughters. >> very few of the bodies are found by police. most are discovered by locals. he brings his goats out here everyday to graze. he says he found four bodies this year. the day after this interview, a volunteer search group looking for missing

back in 1984, george watson compared the two. >> reporter: it seems that b.a.r.t. has settled for something less than it could be. it runs 16 trains in one direction for hour, not the promised 40. 349 trains travel on the 71 miles of track on a given day. that is half of b.a.r.t.'s capabilities. to put that into perspective let's take a 60 year step back in time. the key system ran 600 trains a day, one minute apart to the waiting commuter ferry boats while making more stops along the way, the old key was still almost as fast as b.a.r.t. is today. when the key was running on the bay bridge it took 28 minutes to travel from university avenue in berkeley to san francisco. today it takes b.a.r.t. 27 minutes. when you consider the fact the key system was a privately owned private seeking venture and that b.a.r.t. is a publicly subsidized operation that one minute difference becomes a mighty expensive proposition. to be fair let's look at it in a slightly different light. b.a.r.t. is all we have today and even though the system is less than what was promised, we do need