CP's special Police or Detectives

From: "Lee Shebloski" LShebloski@drs.com

Do you have any information on the Special Detectives (Special Police) that the Central Pacific and Southern Pacific RRs had in the 1860's 1870's or 1880's?

In particular, a detective F. T. Burke, Detective Hume or Detective True? ...

—Lee F. Shebloski