. >> reporter: michael lang calls his rescue a miracle and believes the seven missing americans, fathers, husbands and brothers, will be found alive. >> i'm still very hopeful. i was in the water for 16 hours and i was okay. >> reporter: the survivors have been living together at a hotel here in san felipe ever since their rescue. they remain focused on finding the missing and helping the families of the missing hundreds of miles away. sharon mains clings to hope that her husband albert is still alive. >> he survived the vietnam war, fought there for three years. that's the only thing that's keeping me going, that he's been a survivor. >> reporter: but the search for the americans won't last much longer. the mexican navy will end its rescue friday. they brought glenn wong to safety but couldn't find his brother brian. was there a part of you thinking about your brother? >> the whole time, the whole time. >> each day that goes by that we don't have confirmation that they have been found, it becomes more and more discouraging. >> reporter: for survivors and families of the missing, hoping

i just finished talking to her brother michael lang they also have hired a private investigator theyis because they have not found any concrete evidence that his sister is back dead. >> until she is now my am always going to believe that she as a live and, we have done searchers in the role areas and we are going to search other areas today. we help that she is some were safe and well being home soon. >> there granite researching error they're areas as well as older areas perhaps they had missed something in the past. they are not trying to tip off anybody that might be involved with this case we will interview the volunteers once they show up there in >> bay area police are looking for clues and possibly more victims of felt and nancy garrido pier include they wanna know if one of them is my caylee garrett. >> i believe one bad day the jaycee was found there was no doubt that he knows what happened to my daughter. >> miguel as mom said lack of physical ambulance is a strong person of interest in his daughter's disappearance >> you see the comparison with a sketch of garrido and at t

. >> now charles gibson also survived being on that trip. 43-year-old michael lang of belmont made it out alive as well. >>> a sonoma county dive team recovered the body of a man who drowned in the russian river. the 30-year-old was swimming in the river with his girlfriend when they were swept away by a strong current. leon was able to help his girlfriend into a kayak that came to rescue them, but he sank below the surface. >>> time now 5:05. san francisco police reporting a rise in union square retail thefts. it's being committed by well- organized crime organizations. according to the san francisco examiner the people involved are shoplifting experts. police say the thieves are stealing merchandise from stores and reselling it out on the streets. the booster, the people who steal the products, carry foil lined bags to avoid the security sensors. others are using fake receipts for cash returns and stolen credit cards to buy things. police say the smaller boutiques are more vulnerable to the crime rings. >>> bart and san francisco police have launched separate investigations into sun