Tired of caring for mother with dementia, SUV crashes into ocean (Korea)

The mother and child were killed in an accident on the 9th of this month when an SUV crashed into the sea at a wharf in Muan, South Jeolla Province, South Korea. The crime was committed by the son who was driving the car.
I understand. On the 10th, Mokpo Maritime Police Station announced that it had made an emergency arrest of a man, A (48 years old), on suspicion of parricide and aiding suicide for causing the deaths of his mother and brother in a plane crash at sea.
" According to the Coast Guard, Man A drove an SUV (sports utility vehicle) into the sea near the Muan wharf at around 5:04 pm on the 9th.
As a result of the accident, Man A's mother and brother, who were riding with him, were found in cardiac arrest and were taken to a nearby hospital, but eventually died.
Immediately after the accident, Man A was rescued by local residents and is currently undergoing treatment at a hospital. Man A is unmarried and was caring for his mother together with his brother, whose dementia had worsened.
It was reported that such a crime had been committed.