BAKERSFIELD, Calif. -- Vincent Brother's defense attorney is fighting for a new trial.

Defense attorneys Michael Gardina and Anthony Bryan said Brothers should be given a new trial because of deputy district attorney Lisa Green's "offensive personality."

They said Green often argued and coerced defense witnesses during the trial.

Brothers was convicted in May for killing his wife, Joanie Haper, their three children, Marques, Lyndsey and Marshall, and his mother-in-law, Earnestine back in 2004.

He is scheduled to be sentenced on Sept. 27.