Police were investigating multiple theories today following the murder of a former top Russian spy and his wife, who were gunned down in Moscow.

THE final moments in the life of a Russian bomb disposal expert were captured on film yesterday as he vainly tried to defuse a deadly package carried by a Chechen “black widow” into central Moscow.

The final moments in the life of a Russian bomb disposal expert were captured on film today as he vainly tried to defuse a deadly package carried by a Chechen “black widow” into central Moscow.