Since Dr. Conrad Murray went back to his regular practice last month, late Michael Jackson’s family have been upset that he still maintains his medical license.

Sister, Janet Jackson and mom, Katherine Jackson are building a wrongful death law suit and “an appeal to U.S. authorities” to take away his license and the right to practice.

Jermaine Jackson told Larry King that Dr. Conrad Murray should have refrained from practicing at least until the end of the investigation, which is now going to continue into 2010.

“I’ll just say this. I’m very upset to hear that this doctor is able to go back and practice medicine. No charges… and to take our brother’s life and one of the biggest names in the world. Who is he going to practice on? I mean, he’s been marked. But I’m just saying that I’m very disappointed and they (the Jackson family) are, too, because he should not be where he is. He should be charged.”

Dr. Conrad Murray was pressured to return to work in order to start paying back the growing child support alimony he was ignoring.