county sheriff shows the alleged kidnapper stepping into the boat. the boy's father joshua hakken and his wife sharyn on the boat. detectives think sharyn is helping her husband. what we do know is this, that wednesday, these two little boys were in the custody of their grandmother, in florida, when joshua, the father, according to investigators, tied her up and took his kids in their pajamas away to this boat. the grandmother, sharyn's mother, freed herself after two hours and called 911. >> 911, what is your emergency? >> i can't think. my son-in-law just kidnapped my two children -- my two grandchildren, they have been in my state custody. >> cnn's sara ganim is live in miami with the story. any word on the boys? >> no, brooke. it seems that this whole search right now is really focused on finding this boat, this boat called salty. the last eyewitness of this family, the last people who saw