Photos: 2021 Jake Keltner Memorial Blue Blood Drive in Crystal Lake

Family of Deputy Jake Keltner -- including mother, Helen, center; father Howard; and brother Luke -- check in during the second annual Jake Keltner Memorial Blue Blood Drive on law enforcement appreciation day, Saturday, Jan. 9, 2021, in Crystal Lake. The blood drive event was held Glacier Ridge Elementary School this year to better accommodate social distancing measures. It attracted about 360 pre-registered donors with walk-in also accepted. McHenry County Sheriffs Office Deputy Jake Keltner was killed in the line of duty serving an arrest warrant in Rockford in March 2019. (Matthew Apgar/Matthew Apgar)