Warning: This story includes discussion of suicide. The suicide deaths of four current and former Los Angeles Sheriff’s Department employees over a 24-hour span have prompted a plea from Sheriff Robert Luna urging deputies to check on the well-being of their colleagues and friends. “We are stunned to learn of these deaths, and it has sent shock waves of emotions throughout the department as we try and cope with the loss of not just one, but four beloved active and retired members of our department family,” Luna said in an emailed statement Tuesday. “During trying times like these it’s important...