Maryland Criminal Law Section 10-620
§ 10-620.
  (a)   A person may not:
    (1)   willfully and maliciously interfere with, injure, destroy, or tamper with a horse used for racing or breeding or for a competitive exhibition of skill, breed, or stamina;
    (2)   willfully start, instigate, engage in, or further an act that interferes with, injures, destroys, or tampers with a horse used for racing or breeding or for a competitive exhibition of skill, breed, or stamina; or
    (3)   commit an act that tends to interfere with, injure, destroy, or tamper with a horse used for racing or breeding or for a competitive exhibition of skill, breed, or stamina.
  (b)   A person who violates this section is guilty of a felony and on conviction is subject to imprisonment of not less than 1 year and not exceeding 3 years.