COLUMBIA, S.C.—A once-prominent South Carolina lawyer now faces 71 charges that he stole nearly $8.5 million in wrongful death and wreck settlements from more than a dozen people after another round of indictments against Alex Murdaugh were handed up Friday. The 23 new charges issued by the state grand jury covered new victims but similar schemes, prosecutors said. Murdaugh, 53, would negotiate settlement money for his clients without telling them what they earned, then deposit the checks meant to pay for their pain and suffering or the anguish of the death of a loved one into his own personal accounts—paying off loans or debts or in ways prosecutors have not detailed. The new indictments extend Murdaugh’s crimes back more than a decade to 2011 and add a new mystery. Several of them said Murdaugh used money orders given to an unnamed family member to get his hands on the cash, …