Pictured (l-r) are Miami-Dade Police Kendall District Citizens Advisory Committee acting chair Ryan Devereux, Det. Dennis Cohen and Acting Maj. Gregory Dohring at the Mar. 27 presentation of citation. Det. Cohen’s investigation in a Richmond Heights neighborhood helped solve area shootings with the arrest of a known violent suspect; recovery of three AK-47 assault rifles, one believed used in a homicide, as well as high-capacity ammunition, cocaine, drugs and marijuana. Shootings in the area “have ceased,” according to Maj. Dohring’s commendation read to the Citizens Advisory Committee.