Jennifer Hudson describes warning sister about brother-in-law

Jennifer Hudson dissolved into tears as she testified at the trial of William Balfour — the man accused of murdering her mother, brother and 7-year-old…

In a surprise appearance, she emotionally recounts how she warned her sister against husband William Balfour, accused of killing her mother, brother, and nephew in 2008.

That, prosecutors contend, is what sent singer Jennifer Hudson's then brother-in-law into such a jealous rage that he shot dead her mother, brother and 7-year-old nephew in a horrific act of vindictiveness in the home where the Hollywood star grew up.

The long road to true justice has finally begun for Jennifer Hudson. As reported earlier, J Hud´s family killer will stand trial this week. Willam Balfour is being charged with murdering

Jennifer Hudson's emotional testimony could be the prosecution's trump card — so why play it on day one of the murder trial? We explain how the surprise…