Republicans are exhausting various law enforcement tools, including the FBI, to try and bring House Democrats back to Texas so the state Legislature can pass a new congressional map as the quorum break surpassed its fourth day Thursday.

An administration official told NBC News this week that there were no plans to use federal agents to arrest Texas lawmakers who left the state.

Michael McAuliffe, former prosecutor and former state attorney, told Newsweek the FBI's involvement is "well beyond alarming."