Of the 540 defendants, 59 percent were husbands and 41 percent were wives. Blacks comprised 55 percent of the total sample; in 97 percent of the cases, both spouses were the same race. The age of defendants ranged from 18 to 87 years. Seventy percent of defendants were charged with first-degree murder. In these cases, 43 percent of spouse murder defendants pleaded guilty and were sentenced, 44 percent pleaded not guilty and stood trial, and 13 percent were not prosecuted. Of those who stood trial, 84 percent were convicted either by a jury or judge. Of the 431 defendants convicted of killing their spouse, 89 percent were sentenced to a State prison, 1 percent to a county jail, and 10 percent to probation. The statistics show that wife defendants were less likely to be convicted and more likely to receive lenient sentences when convicted, possibly because self-defense was raised as a mitigating factor more often in defense of wives. Defendant's race and victim's race were unrelated to case disposition. 1 figure