New Delhi, July 14 -- In a chilling case that has sparked outrage and debate in the US, a 26-year-old woman is accused of fatally stabbing her McDonald's manager just two days after posting an angry video about her on Instagram, CBS News reported.

The incident took place on Thursday, July 10, at a McDonald's outlet in Eastpointe, Michigan, where 39-year-old Jennifer Harris, a shift manager and mother of six, was brutally attacked at work.

According to police and prosecutors, the accused, Afeni Muhammad, had been involved in an argument with Harris earlier that day, which resulted in her being sent home early. Muhammad allegedly returned later, wearing a mask and carrying a knife over 3 inches long, and stabbed Harris up to 15 times in t...