Abdulla Ahmadi, 26, left his Home Office approved hotel accommodation in Horsham, West Sussex and travelled more than 200 miles to an address in Crewe, Cheshire.
The letter, sent to Cheshire MPs, the Police and Crime Commissioner and Commons Speaker Sir Lindsay Hoyle, alleged that Sir David had failed to check 'basic facts'.
Mark Roberts, Chief Constable of Cheshire Police, has demanded Sir David Davis formally 'correct the record without delay' over 'errors' made in the House of Commons.
MP Sir David Davis is insisting Cheshire Police reveals the basis for the 'shift table', which was presented as evidence Letby (pictured) was always on duty when babies collapsed or died.
The couple reunited for lunch after the Love Island presenter grabbed a coffee in Cheshire, before driving off with the ticket still attacked to the windscreen.
John McColl, 84, (pictured) was killed by the dog, owned by Sean Garner, after he wandered onto the driveway of his home in Warrington, Cheshire, in February last year.
After conducting research into the statistics around murder-suicides, Ms Davies proposed that a serial killer could be responsible and had been operating in leafy Cheshire since 1996.