New York ( CNN ) -- A male model suspected of killing a prominent Portuguese journalist in his posh Manhattan hotel room was undergoing a psychiatric evaluation Saturday at New York City 's Bellevue Hospital , according to an NYPD law enforcement source . Carlos Antonio De Castro , 65 , was found dead in his room at the InterContinental Hotel in New York on Friday , according to the source . He was a Portuguese reporter and columnist . Police say 20-year-old Renato Seabra , a Portuguese model , was in custody Saturday after he was spotted leaving another New York hospital where he received treatment for lacerations to his wrists . Police arrested him and transported him to Bellevue . Castro 's body was found after an acquaintance appeared at the hotel asking to see him , saying she had been in contact with him earlier in the day but was unable to reach him for some time , according to the law enforcement source . Hotel employees made the grisly discovery a short time later . Castro was found bludgeoned and castrated , the source said . Castro and Seabra were staying together at the hotel , another police source said . Castro was most recently a gossip columnist for the Portuguese newspaper Correio da Manha . Seabra was a recent finalist on a Portuguese model-search television show called `` A Procura de um Sonho . '' It was unclear why the two men were in New York . CNN 's Susan Candiotti and Leslie Tripp contributed to this report .
Notes : The victim and suspect were staying at the hotel together , police source says . The suspect is identified as Carlos Alberto De Oliveira , a Portuguese journalist . He was then bludgeoned and castrated , the source says . Renato Seabra , a Portuguese model , is suspected in the killing .