There was also an inquest in March 2009 at which Mr Noble and two other men, Philip Lawless and Leslie Gibbs, gave evidence, which ended with a verdict of unlawful killing.
The jury of three men and nine women was told that in 2009Mr Alexander, a former Army Royal Engineer, admitted similar offences and charges including possessing firearms and ammunition with intent to endanger life.
Mr Evans, 55, was questioned on 4 May about the alleged attacks on two men between July 2009 and March 2013 in Pendleton, Lancashire, and bailed until 19 June.