As used in this Chapter, the following terms shall have these
prescribed meanings:
INTOXICATED CONDITION
A person is in an "intoxicated condition" when he/she is
under the influence of alcohol, a controlled substance or drug, or
any combination thereof.
LAW ENFORCEMENT OFFICER or ARRESTING OFFICER
Includes the definition of "Law Enforcement Officer" in Subdivision
(17) of Section 556.061, RSMo., and military Policemen conducting
traffic enforcement operations on a Federal military installation
under military jurisdiction in the State of Missouri.
A person commits the offense of "driving while intoxicated"
if he/she operates a motor vehicle while in an intoxicated or drugged
condition.