Sarah Jean Hartsfield, 48, was arrested last week and charged with felony murder after her husband, Joseph Hartsfield, died of a "suspicious illness" last month.
The video shows the expression on JLo's tense face gradually changing to one of interest when she turns to look at Noah, who was talking into the camera right next to her.
A report in 2016 said at least 50 people were killed in the three preceding years in a wave of murders of secular and liberal activists and religious minorities.