Authorities release 911 calls for service involving Buffalo Grove family killed in murder-suicide
According to the village, the industry standard for retaining 911 call audio files is 60 to 90 days. The calls released Friday were dated Sept. 6, 2022, Sept. 10, 2022, Sept. 11, 2022, three from Sept. 30, 2022 and one from Oct. 21, 2022.