Q post #656 was the same day as the Standard hotel helicopter crash.
Remember when the Standard Hotel dumped a 55 gallon drum of Muriatic acid down the drain? 55 gallons is big enough to dissolve a corpse.
https://archives.fbi.gov/archives/losangeles/press-releases/2010/la032310.htm
https://www.ksl.com/article/46250355/the-latest-details-emerge-of-victims-in-fatal-chopper-crash