dr. conrad murray serving four years in prison for the development in jackson s death. he prescribed jackson a powerful sedative normally used for surgery to help the singer sleep. now michael jackson s mom is suing the company that was promoting jackson s comeback concert, accusing that company of hiring doctors dr. murray. that s comes down to who hired the doctor? and the. the sackson family attorney says michael jackson was dependent on pain killers to years and years and the concert promoter should have fully investigated dr. murray before they hired him and then there was an explosive e-mail which reads, we want to remind murray that it is aeg, not mj, who is paying his salary. we want tree mind him what is