No. 22-1848 ___________________________

Chris Collins, as Next Friend of: J.Y.C.C.; I.K.C.C.; E.A.C.C.; E.L.C.C.; A.R.C.C.; J.R.G.; F.R.A.; R.F.R.C.; S.S.L.; R.D.L.C.; G.N.A.A.; H.G.A.L.; A.X.E.A.; M.Z.A.B.; A.Y.A.G.; I.D.A.A.; J.D.A.E.; Y.D.T.; E.J.D.L.C.D.; N.G.C.V.; Y.G.C.F.; C.P.C.F.; Y.Y.C.G.; K.A.C.G.; C.F.C.P.; J.A.C.A.; C.L.B.F.; J.C.Z.P.; F.A.Z.P.; S.L.W.B.; L.R.V.P.; J.N.V.P.; J.E.V.P.; R.W.U.T.; A.S.T.C.; M.A.S.S.; C.L.S.S.; J.Y.S.O.; K.LR.O.; A.S.R.A.; A.A.R.A.; L.A.R.A.; R.M.R.C.; D.R.Q.L.; Y.Q.L.; J.A.Q.A.; N.Y.P.A.; L.Y.P.A.; D.Y.P.A.; V.O.M.; K.M.P.; E.M.P.; A.M.P.; M.M.F.; B.L.L.A.; A.L.S.; J.H.L.A.; Y.M.J.C.; Y.S.J.C.; A.B.E.I.F.; B.Y.I.R.; M.I.J.; X.N.G.G.; Z.Y.F.M.; Y.S.E.A.; J.J.E.A.; R.G.E.A.; Y.B.E.B.; C.E.Y.; J.A.E.S.; M.E.A.B.; A.H.A.B.; E.S.A.G.; K.G.A.A.; J.A.A.; J.D.A.F.; I.S.A.B.; J.F.D.T.; R.M.D.T.; D.S.C.V; A.M.C.F.; R.F.C.Y.; K.L.C.P.; A.L.C.Y.; W.M.B.F.

Plaintiffs - Appellees

v.

Doe Run Resources Corporation

Defendant - Appellant

D. R. Acquisition Corporation; Marvin K. Kaiser; Theodore P. Fox, III; Jerry Pyatt; Jeffrey L. Zelms; Renco Holdings

Defendants

The Renco Group

Defendant - Appellant Ira L. Rennert

Defendant ____________

Appeal from United States District Court for the Eastern District of Missouri - St. Louis ____________

Submitted: January 12, 2023 Filed: April 12, 2023 ____________ Before GRUENDER, BENTON, and SHEPHERD, Circuit Judges. ____________ GRUENDER, Circuit Judge.

Doe Run Resources Corporation and the Renco Group appeal the district court’s1 grant of the plaintiffs’ emergency motion for a protective order. We dismiss for lack of jurisdiction.

I.

The plaintiffs, thousands of Peruvian citizens, allege injury from Doe Run’s lead-mining and smelting complex in La Oroya, Peru. Doe Run, based in St. Louis, Missouri, has operated the complex since 1997. The Renco Group owns Doe Run. The plaintiffs allege that more than ninety-nine percent of children born in La Oroya since 2005 have had lead poisoning.

The plaintiffs sued in Missouri state court, and the defendants removed the case to the United States District Court for the Eastern District of Missouri. The

1 The Honorable Rodney W. Sippel, United States District Judge for the Eastern District of Missouri.

-2- plaintiffs also brought similar cases in the same district, all of which were consolidated for pretrial matters. In the consolidated case, the parties identified a small sample of plaintiffs whose cases would be tried first (the “trial-pool plaintiffs”).

In October 2021, the defendants submitted a report to the district court about allegedly fraudulent conduct by two former “plaintiff recruiters” in Peru. The report noted that the defendants had hired Peruvian counsel to report the fraud to Peruvian law enforcement. Consequently, Peruvian authorities opened an investigation. Under Peruvian law, because the defendants reported the crime, they could suggest witnesses for Peruvian prosecutors to interview and they could attend the interviews.

To support their fraud allegations, the defendants sought certain discovery in this case. They proposed a verification procedure for all plaintiffs, requested the appointment of a special mast