调查人员探索发现手榴弹与在训练设施炸死三名副手的爆炸之间的联系。 Investigators explore link between found grenades and explosion that killed three deputies at a training facility.

洛杉矶州调查员正在探究在Santa Monica公寓楼内发现的手榴弹是否造成警察局训练设施爆炸, Los Angeles County investigators are exploring whether grenades found at a Santa Monica apartment complex caused an explosion at a Sheriff's Department training facility, killing three arson and explosives unit deputies. 这项涉及联邦调查局和ATF的调查正在调查爆炸前一天发现的手榴弹的来源。 The investigation, involving the FBI and ATF, is examining the origin of the grenades discovered the day before the explosion. 这起事件标志着1857年以来 该部门最严重的一次生命损失 This incident marks the department's worst single loss of life since 1857. 已故议员的服务范围很广,共计74年。 The deceased deputies had extensive service, totaling 74 years combined.