The subpoenas target some of former president Donald Trump’s closest allies in the House, several of whom were engaged in numerous meetings and planning sessions amid Trump’s attempt to overturn the 2020 election results. The move represents a sharp escalation in the select committee’s tactics after months of weighing how aggressively to pursue testimony from their own colleagues.

In addition to McCarthy and Jordan, the panel sent summons to Reps. Scott Perry (R-Pa.), Andy Biggs (R-Ariz.) and Mo Brooks (R-Ala.). All five lawmakers have rejected investigators’ previous requests that they voluntarily testify.