Iowa Code § 719.3 : CRIMINAL LAW AND PROCEDURE — CRIME CONTROL AND CRIMINAL ACTS — OBSTRUCTING JUSTICE — Preventing apprehension, obstructing prosecution, or obstructing defense TEXT PDF A person who, with intent to prevent the apprehension or obstruct the prosecution or defense of any person, knowingly does any of the following acts, commits an aggravated misdemeanor: 1. Destroys, alters, conceals or disguises physical evidence which would be admissible in the trial of another for a public offense, or makes available false evidence or furnishes false information with the intent that it be used in the trial of that case. 2. Induces a witness having knowledge material to the subject at issue to leave the state or hide, or to fail to appear when subpoenaed. Iowa Code § 719.3 C51, §2654; R60, §4281; C73, §3946; C97, §4882; C24, 27, 31, 35, 39, §13170; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, § 723.1; C79, 81, § 719.3