Police were called to the home of the man suspected of the Surrey train murder less than 24 hours before the appalling attack.
Officers confronted the 35-year-old outside his home after neighbours complained about his antisocial behaviour.
Detectives last night charged a man with murder. Darren Pencille, from Farnham, Surrey, was also charged with possession of an offensive weapon and is due in court today.
Lee Pomeroy, 51, an IT consultant, died in front of his 14-year-old son after being stabbed on the South Western Rail service from Guildford to London Waterloo
One resident claimed that the night before, the ‘scary-looking fellow’ had banged repeatedly on his front door.
The neighbour said: ‘I don’t know why... I had never spoken to him before. I have to admit it was intimidating.’
Lee Pomeroy, 51, an IT consultant, died in front of his 14-year-old son after being stabbed on the South Western Rail service from Guildford to London Waterloo.
Witnesses said he suffered multiple wounds after a frenzied attack following a three-minute argument.
His grieving family are struggling to come to terms with his death, which came just one day before his 52nd birthday. Last night it emerged his Russian widow had told friends she moved to the UK because she admired how ‘civilised’ it was.
Former journalist Svetlana Pomeroy, 50, who is being supported by police family liaison officers, was too upset to speak yesterday.
But 12 years ago, she wrote online: ‘I love how people here wish to be hospitable, how they smile, how they take care of nature. People still tend to build families, plus there are laws to support women.’
The couple married in 2001 and Mrs Pomeroy moved to the UK from the remote Russian region of Chukotka. In her post, she described their son – then a toddler – as a ‘sweet boy’.
Victim’s Russian widow Svetlana told friends she came to Britain as she admired how ‘civilised’ it was
Police arrested the suspect at a housing association flat occupied by his girlfriend Chelsea Mitchell in Farnham on Saturday morning.
Mitchell, who is originally from Weston-super-Mare, Somerset, was arrested on suspicion of assisting an offender.
Officers suspect she picked him up and drove him the 15-mile journey home after he fled the commuter train service covered in blood shortly after 1pm on Friday.
Helicopter shots of scene at Horsley Station where man has