A coroner has ruled that being shot and blinded by gunman Raoul Moat was the first step leading to Pc David Rathband killing himself.
The traffic officer struggled after the collapse of his marriage and found it hard to cope with losing his sight. He was found hanging at his home 20 months after he was shot. His family said Northumbria Police could have done more to support him.
"It's my experience that people who intend to take their own lives will do so. Those who make threats to take it over a period of time need help."
The inquest heard Mr Rathband, 44, had made threats to kill himself and said he attempted to hang himself but could not go through with it. he was not considered to be at immediate risk of suicide.
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The constituency of Washington and Sunderland West includes the UK's largest car plant, which was opened by Nissan in 1984.
This seat was formed prior to the 2010 General Election, taking in Sunderland city centre and the Ryhope area to the south.
The constituency of Stockton South includes relatively affluent areas like Yarm and Eaglescliffe.