Lee Pomeroy, 51, was stabbed 18 times in 25 seconds by Darren Pencille, 36, court hears Jurors have watched video of a "quick and frenzied" fatal attack on a train passenger. Lee Pomeroy, a 51-year-old IT consultant, was stabbed 18 times in 25 seconds by Darren Pencille, 36, the Old Bailey has heard.