Del. Const. art. II, § 13
Immunity from arrest and questioning of speeches
84 Del. Laws, c. 281 and 85 Del. Laws, c. 5;State of Delaware
The Senators and Representatives shall, in all cases, except treason, felony, or breach of the peace, be privileged from arrest during their attendance at the session of their respective Houses, and in going to and returning from the same; and for any speech or debate in either House they shall not be questioned in any other place.