Write it, then ask Mia

Bea lets her elderly friend Carl rent her spare room. When Carl becomes confined to bed after a stroke, Bea agrees to bring him his meals each day. After a month she grows tired of this, stops taking food upstairs and ignores his calls. Carl becomes seriously ill from lack of food.

Suggest why, in law, Bea could be criminally liable for failing to help Carl. (5 marks)