Conference aims to raise awareness of diversity
Cites personal family matters as reason for departure
Tim Bostic said decision not connected to lawsuit
Victim was shot, set on fire in D.C. apartment
Alleged anti-gay slur expected to surface from witness
Homophobia, criminal justice system exacerbate problem
D.C. man shot, set on fire while still alive
Geragos denies R&B star made comment
McCaskill suspended in 2012 after signing anti-gay petition
Commissioner meets again with residents