This will depend on:
Why they are entering.
What the Law is on the reason they are entering
What agency they represent.
As this is a building, the building inspector, electrical inspector, and any other applicable inspecter must be allowed acess at his conveniance.
The Police must meet the requirements of "Probable Cause" or have a Warrant.
William Randolph Hearst (April 29, 1863 - August 14, 1951) is interred in the Hearst family mausoleum at the Cypress Lawn Cemetery in Colma, California .
John F. Kennedy was interred at the Arlington National Cemetery.
My grandparents are interred in this cemetery.
Arlington National cemetery, of course.
Arlington national cemetery
Arlington National Cemetery
Michael is interred in the Great Mausoleum, on the grounds of Forest Lawn Memorial Park in Glendale, California. His crypt is locked and not accessible to the public.
President John F. Kennedy is interred in a small plot in Arlington National Cemetery.
If Manson's remains are not claimed by family members it's possible he will be interred in the prison cemetery, or his remains may be cremated.
President John F. Kennedy is interred in a small plot in Arlington National Cemetery.
JFK (his wife JBKO) and RFK (his brother) are buried in Arlington National Cemetery, near the Tomb of the Unknown Soldier, over looking Washington DC.
Harold "Red" Grange was cremated and not interred.