Hundred of employees signed a letter calling on the board to step down or risk mass resignations if Altman and former President Greg Brockman weren't reinstated.
A representative for Sen. Dick Durbin, D-Ill., said that X and Discord had refused electronic service of subpoenas and that his office had engaged U.S. Marshals to serve them.
Authorities suspected the officials of buying software at an inflated price from two companies allegedly under their control in a sale that had been closed to other bidders.
Many factors, including social media, demographic change and Israel’s prime minister, may be responsible for the rift between young Americans and Israel, experts say.