>> reporter: jamie and rick mallory told the "milwaukee journal sentinel" their vacation to playa delmen almost turned deadly when they say they both blacked out after a few drinks at another resort's beach bar. >> the next thing that i remember is my husband screaming. i could hear him scream but i couldn't see him. >> i believe the resorts are trying to hide the fact that the dangers exist. >> reporter: maureen webster created the website mexico vacation awareness about the potential risk when traveling to these resorts after her 22-year-old son nolan's unconscious body was pulled from a waist-deep resort pool and he later died. she says a nurse tried to help her son but the hotel doctor pulled him away saying he was just drunk, which webster denies. >> all the cases that i've received on my website, the resorts are quick to blame the guests. so i'm not stopping until something changes. >> you're starting to hear now from other families who have had issues at mexican resorts. >> yes. many people. >> what are they saying? >> similar incidents. incidents of blacking out. incidents of