WAUKEGAN, Ill. — A woman was convicted Tuesday of killing the pregnant girlfriend of former Chicago Bear Shaun Gayle in what prosecutors alleged was a meticulously planned execution of someone she viewed as a rival for the football player’s affection.

After nearly four hours of deliberation, the Lake County jury found Marni Yang, 43, guilty of first-degree murder and intentional homicide of an unborn child. Yang faces a minimum 45-year prison term when sentenced later this year for the October 2007 shooting of Rhoni Reuter, 42.

Yang didn’t testify during the trial. However, Gayle testified he met Yang in 2005 and the two had a business relationship that turned sexual. In closing arguments, the prosecutor called the death of Reuter was a “carefully planned out execution.”