Okla. Stat. tit. 21, § 21-1378: Attempting, conspiring or endeavoring to perform act of

violence involving serious bodily harm or death – Threats – Devising

plan, scheme or program of action to cause serious bodily harm or

death.

A. Any person who shall attempt, conspire or endeavor to

perform an act of violence involving or intended to involve serious

bodily harm or death of another person shall be guilty of a Class B4

felony offense, punishable upon conviction thereof by imprisonment

for a period of not more than ten (10) years.

B. Any person who shall threaten to perform an act of violence

involving or intended to involve serious bodily harm or death of

another person shall be guilty of a misdemeanor, punishable upon

conviction thereof by imprisonment in the county jail for a period

of not more than six (6) months.

C. Any person who shall devise any plan, scheme or program of

action to cause serious bodily harm or death of another person with

intent to perform such malicious act of violence, whether alone or

by conspiring with others, shall be guilty of a Class B4 felony

offense, punishable upon conviction thereof by imprisonment for a

period of not more than ten (10) years.