jon donnison reports.t nick bailey has been a police officer for 18 years, but his life has not been the same since the salisbury attack. as the investigation began, he was one of the first officers to visit the home of sergei skripal, the main target of the poisoning operation. it's not entirely clear how detective sergeant bailey became contaminated, but the nerve agent had been sprayed on a doorhandle. within hours, he began to fall seriously ill. he ended up in intensive care. once i'd come back from the house, the skripals' house, my pupils were like pin pricks. and i was quite sweaty and hot. at the time, i put that down to being tired and stressed. in the two and a half years since the attack, detective sergeant bailey has made three attempts to return to work but today, in a series of posts on twitter, he said he'd admitted defeat. he said although he'd tried hard to make it work, he could no longer find peace while working in the policing environment. in a statement, the chief constable of wiltshi