cnn saturday morning. it is saturday july 14th. i m randi kaye. egyptian security steps up its effort to find and free a kidnapped american couple and their tour guide. a staggering number of murders on the streets of chicago. 259 so far this year. we ll track how illegal weapons get into the hands of killers. and the anticipation builds for london 2012. gold medallist dominique dawes and jacqui joie ner courier si joins me. we begin with the search for two american tourists and their guides. they were kidnapped in the sinai peninsu peninsula. it s the third time american tourists have been kidnapped in that area this year. elise labott has been following the developments for us from jordan. she joins us by phone. elise, what is different would you say about this kidnapping compared to the others that we ve reported on before? reporter: well, randi, in the past a lot of these kidnappings were about money. a lot of them were trying to make a little extra money. what th