Law enforcement sources say the woman who opened fire in Joel Osteen’s Houston megachurch with a 5-year-old boy in tow had the words “free Palestine” written on the AR-15 she used to carry out the shooting, ABC News reported. The shooter, who news outlets identified as 36-year-old Genesse Ivonne Moreno, opened fire, prompting two off-duty officers to fire back and kill her. The boy she was with was wounded in the crossfire and taken to a hospital in critical condition. A man believed to be a parishioner at the church was shot in the leg. CNN, which first reported the “free Palestine” detail, s…