He said three of his top campaign workers were black.
Most of the campaign workers left for a meeting room in the hotel where a phone bank had been set up.
For 1199, the political work goes well beyond its full-time campaign workers.
His office said a son of a campaign worker was shot and killed.
The challenger is on his third set of campaign workers.
During one stop, he even joined campaign workers in making phone calls to potential voters.
People involved in the case say the pay arrangements of three other campaign workers have also raised questions.
He said there were 27 campaign workers, all voluntary, from 500 people in the program.
One campaign worker was shot three times and then run over by a van.
While some campaign workers receive salaries, others work for little or no money.