(illustrative) White supremacist Frazier Glenn Miller Jr., who was responsible for killing three people at a Jewish community center and assisted-living/Jewish retirement facility in Kansas City, Kansas in 2014, died in prison Monday. Miller was convicted of capital murder and sentenced to death in 2015 for his attacks on the two Jewish sites in Overland Park. His execution by lethal injection was pending active legal appeals, NPR reported. He died in the El Dorado Correctional Facility in Kansas at the age of 80. Advertisement '); _avp.push({ tagid: article_top_ad_tagid, alias: '/', type: 'banner', zid: ThisAdID, pid: 16, secure: true });