The only other witness to the murder described the killer as 6 inches taller and with a darker complexion than Mr. Lopez.

WSJ: Accused Killer Leaves Prison After 23Years

There has been speculation in the Russian press that Mr Gorbuntsov was a witness to the murder attempt on Alexander Antonov in 2009.

BBC: Building on Byng Street where Mr Gorbuntsov was shot

Last October John Matthews, owner of the Jazz Daiquiri Lounge on South Claiborne and a witness to the first murder, was shot 17 times in his own house.

ECONOMIST: A murderer sows terror, even from jail

When the witness describes the murder, they drift off to sleep and start snoring.

CNN: THE CULT THAT WON'T DIE

Buckley, his girlfriend Tracey Peers-Holland and a 16-year-old boy went to the house of a murder investigation witness in October 2008.

BBC: Bolton man jailed over fire bomb threats

According to the relative, witness M could not have taken the route he claimed on the night of the murder because his partner was not welcome in his home.

BBC: Constable Stephen Carroll

Meanwhile, Leicestershire Police, working in co-operation with specialist officers from Scotland Yard, said they had asked the Simon Wiesenthal Centre in Jerusalem to send witness statements and evidence that implicate Kalejs in mass murder in his native Latvia.

BBC: You are in: UK

Spector's lawyers, who touted his appearance in opening statements, still plan to call Lee as their star forensic witness, even though prosecutors will be able to present the same evidence that convinced Fidler of misconduct to the jury weighing the murder charge against Spector.

CNN: Spector murder trial: Misstep could haunt renowned scientist