Ciara has died. Who killed her?

Ciara has passed away on 9/11/2019. But? Who killed her actually? According to the information of her death, she actually killed herself and committed suicide. She committed suicide bc of bullying. She hanged herself in her bathroom. Her husband saw that she was dead. He announced on his Instagram, putting a pic of them together and said: Today my wife, @ciara died. She actually committed suicide. Words cannot describe how much I will miss my wife. So R.I.P Ciara