"I hope that this resolution will bring some measure of closure and healing to anyone harmed by these priests," Archbishop Dennis Schnurr of Cincinnati said.
Midazolam has been implicated in botched executions in three states, and lawyers have filed a petition to stop a convicted murderer's execution in fear the drug will be used.
Pope Francis has named an auxiliary bishop of Philadelphia, Bishop Daniel E. Thomas, to head the diocese of Toledo, Ohio.
Archbishop Carlo Maria Vigano, apostolic nuncio to the United States, publicized the appointment Tuesday.
Born June 11, 1959, and raised in the Philadelphia neighborhood of Manayunk, Thomas, 55, has been an auxiliary bishop in his hometown since 2006. He was ordained for the Philadelphia archdiocese in 1985, after attending the local St. Charles Borromeo Seminary and obtaining his licentiate in sacred theology from the Pontifical Gregorian University.
Updated: Fr. Gerald Robinson was convicted of the 1980 Holy Saturday murder of Mercy Sr. Margaret Ann Pahl, who was strangled and stabbed 32 times.
Opinion: It seems administrators in some Catholic schools are prepared to post signs that say, "No gay people need apply."