martin shannon, from southampton, took guns, ammunition and explosives and grenades from his base in and is outside the old bailey for us. daniel, tell us more the old bailey for us. daniel, tell us more about the background to this. yes, ben, martin shannon was caught on 1st september, when he met an undercover officer who he believed to be a criminal. he said he believed him to be an old—style criminal like the great train robbers and when he met that undercover officer, he tried to sell him seven high explosive hand grenades and plastic explosive for that he took £5,000, and then he then took the under cover officer outside and rented him an assault rifle, loaded, a self loading pistol which was loaded and a sawn—off shotgun. for that he said he was going to rent them to the man he believed was a criminal for £5,000 and collect them a week later. the court heard that martin shannon was a serving royal marine reservist and had been since 1996 and actually for the majority of that time, although he was a reservist, he was working full—time. he had served in iraq, in 2003, in afghani