The article says, "An Amtrak police officer has sued the national rail corporation"
I assume this means, private security for the Amtrak rail line.
[FONT=TimesNewRoman,Bold][FONT=TimesNewRoman,Bold]IC 8-3-17-2[/FONT][/FONT][FONT=TimesNewRoman,Bold]
[/FONT][FONT=TimesNewRoman,Bold][FONT=TimesNewRoman,Bold]Commission; recordation; powers and duties[/FONT][/FONT][FONT=TimesNewRoman,Bold]
[/FONT]Sec. 2. (a) Every policeman appointed under this chapter shall,
before entering upon the duties of office, take and subscribe an oath
of office, which shall be endorsed upon the officer's commission, and
the commission, with the oath, shall be recorded in the office of the
clerk of the circuit court of the county in which the policeman
resides. Every policeman who is appointed and commissioned as
provided in this chapter shall have, exercise, and possess, throughout
Indiana, while engaged in the discharge of the officer's duties as a
policeman, the powers of sheriffs, marshals, constables, and
[/FONT][FONT=TimesNewRoman,Bold][FONT=TimesNewRoman,Bold]Commission; recordation; powers and duties[/FONT][/FONT][FONT=TimesNewRoman,Bold]
[/FONT]Sec. 2. (a) Every policeman appointed under this chapter shall,
before entering upon the duties of office, take and subscribe an oath
of office, which shall be endorsed upon the officer's commission, and
the commission, with the oath, shall be recorded in the office of the
clerk of the circuit court of the county in which the policeman
resides. Every policeman who is appointed and commissioned as
provided in this chapter shall have, exercise, and possess, throughout
Indiana, while engaged in the discharge of the officer's duties as a
policeman, the powers of sheriffs, marshals, constables, and
municipal police officers, except in the service of civil process
Indiana code seems to think they are Police Officers through out Indiana
You can find the entire code here,
http://www.in.gov/legislative/ic/code/title8/ar3/ch17.pdf