Downtown Los Angeles
No injuries were reported following the blast at First Works Baptist Church in El Monte, according to the FBI.
The 31-year-old female deputy and 24-year-old male deputy were shot while sitting in their patrol car in Compton.
The Los Angeles arena is hosting the Grammy Awards, but grief-stricken fans ignored police warnings to stay away from the area.
The installation will be unveiled at the Amber Rose SlutWalk.
