three boys, led by scoutmasters howard crompton and andrew schmidt, who noticed the heat was gettingdeal that began at mile 15. "mike began to seem dizzy. we had him sit down to rest and drink water. after about 20 minutes, mike got worse. he seemed to be choking. i turn him on his side. he vomited. i cleared his mouth. he stopped breathing." an hour and a half after stopping the hike, he placed a call on his cell phone. >> 911. what is the address of your emergency? >> reporter: the florida trail. we're hiking in the everglades and he's not breathing. >> the guy's not breathing? >> yes, sir. >> reporter: crompton had been performing cpr on michael for 45 minutes by the time a rescue helicopter reached them. the report says by then michael had to pulse. he was airlifted out but half an hour later, he was declared dead. >> the sheriff knocked on the door and they said, michael, and he died. when my daughter and my husband came home and he told them, their screams just still ring in my ears because they were screaming and collapsing to the ground. we never heard from the scouts. >> rep