From: The Oakland Tribune, 18 October 1912
SERGEANT FRANK SILL COLLAPSES ON STREET
Frank Sill, one of the oldest men in the Oakland police department, collapsed while making his round of the city about 10:30 last night and had to be taken to his home. Dr. H. B. Mehrmann was [...] and accompanied the [...] his house where medical assistance was given.
It was found that Sill had suffered from an attack of vertigo. Dr. Mehrmann stated that the condition of the officer was not serious, but that he would have to remain under medical care for a few days.