NEW : The mother of the dead fishing partner demands to speak with Alvarenga . ALVARENGA, Brazil — The main question now is how long was he at sea ? '' He has returned to a hospital due to dehydration and malnutrition . Alvarenga said he had to toss his companion 's body overboard after he died .
NEW : The mother of the dead fishing partner demands to speak with Alvarenga . ALVARENGA, Brazil — He has returned to a hospital due to dehydration and malnutrition . Alvarenga said he had to toss his companion 's body overboard after he died .