(January 23, 2024, 2:04 PM EST) -- ANN ARBOR, Mich. — Three related engineering firms on trial for alleged violations in connection with the Flint water crisis filed a brief in Michigan federal court on Jan. 22 opposing a motion to exclude, contending that the testimony of a witness for another defendant in the Flint bellwether trial is admissible in the case at hand, which is a separate class action, under Federal Rule of Evidence 804(b)(1) because he is not available to testify live due to a settlement agreement that prevents the other defendant from providing its employees to testify in other trials about the water crisis....