NEW : Spanish mercenary Mann jailed for plotting a Equatorial Guinea coup . Mann testified he was `` junior '' in organization that plotted attempted coup . Mann testified he refused both requests , considering them unethical , but he did agree to help stage a coup . Mark Thatcher implicated former friend Mann in 34 years plot during testimony .
NEW : Spanish mercenary Mann jailed for plotting a Equatorial Guinea coup . Mann testified he was `` junior '' in organization that plotted attempted coup . Mark Thatcher implicated former friend Mann in 34 years plot during testimony .