18 U.S.C. § 1368

1. (a)Whoever willfully and maliciously harms any police animal, or attempts or conspires to do so, shall be fined under this title and imprisoned not more than 1 year. If the offense permanently disables or disfigures the animal, or causes serious bodily injury to or the death of the animal, the maximum term of imprisonment shall be 10 years.
2. (b)In this section, the term “police animal” means a dog or horse employed by a Federal agency (whether in the executive, legislative, or judicial branch) for the principal purpose of aiding in the detection of criminal activity, enforcement of laws, or apprehension of criminal offenders.