Complex sentence: In October 1995, NSI transferred the domain to Stephen M. Cohen, who had been trying to gain control of the domain for some time by misrepresentation, using phone calls, e-mails and forged letters.
Split into simpler sentences: In October 1995 NSI transferred the domain to Stephen M. Cohen. The con-man had being trying to gain control of the domain by mis-representation for some time-using phone-calls, e-mails and forged letters.