He and a group of volunteers had regular meetings with the bishop at his office in Irwindale. Young adult Michael Ramirez has been working with O’Connell for years, as part of a regional council representing different parishes in the area.
Man fatally shot in Hacienda Heights identified as prominent Catholic clergyman, reports say. 
LA County officials, religious leaders react to death of LA Auxiliary Bishop David O’Connell. LA bishop’s death is being investigated as a murder, sheriff’s officials say. Husband of Catholic Bishop David O’Connell’s housekeeper accused of killing him. Death of LA bishop jolts Catholics as Lenten season nears. Bishop’s killing shocks San Gabriel Valley communities already shaken from mass shooting. Local Catholics say that O’Connell’s deep dedication to ministering to young people - along with involvement in region-wide church initiatives and ministries - was what made him genuine and accessible.