The Speaker of the House has what is called (Inherent Contempt of Congress Powers)
That means he can directly have anyone arrested and held if they refuse a subpoena from Congress.

https://mobile.twitter.com/ColdWarPatriot/status/1613199856239091713

Chick-A-Boom . . Chick-A-Boom
(Don't Ya Jes Love It)
Chick-A-Boom
............BOOM
................BOOM
....................BOOM