"You will keep him alive in your mind and in your heart," Moreno said.
"May the Blessed Virgin, Our Lady of Loreto, patron saint of our Archdiocese, accompany you in this painful moment, and may you also be assisted by the care and intercession of your patron, Saint Louis of France."
In an Oct. 15 statement, the Mexican bishops expressed their sorrow at the loss of Fr. Arturo and assured Catholics of their prayers and support for the investigation of his death.
"We ask our Father God for the eternal rest of Fr. Ícmar, and that the Lord grants his family and his parish community the strength and consolation of faith and hope," the bishops said.
"We trust that the competent authorities will clarify what happened to our brother priest, and act accordingly," they said.
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This article was originally published by our sister agency, ACI Prensa. It has been translated and adapted by CNA.