Christopher Sousa , Jason Holding and James Wells were fired on Friday . Colleague Alex Alvarez , 22 , resigned in late January during investigation . Officers exchanged 'inexcusable ' racist text messages , police chief said . Messages referred to 'killing n****** ' ; one said , ' I 'd have that noose ready ' Alvarez also created video featuring Obama sporting gold-capped teeth . Other clips included pictures of attacks on minorities and use of N-word . Fort Lauderdale Mayor Jack Seiler said at a press conference that he was 'very disappointed , disgusted and shocked ' by investigation 's findings .
James Wells , Jason Holding and Christopher Sousa were fired on Friday . Colleague Alex Alvarez , 22 , resigned in late January during investigation . Officers exchanged 'inexcusable ' racist text messages , police chief said . Messages referred to 'killing n****** ' ; one said , ' I 'd have that noose ready ' Alvarez also created video featuring Obama sporting gold-capped teeth . Other clips included pictures of attacks on minorities and use of N-word . Fort Lauderdale Mayor Jack Seiler said at a press conference that he was 'very disappointed , disgusted and shocked ' by investigation 's findings .