But US military officials also indicated to reporters that the types of counter-drone capabilities the Pentagon may be able to bring to bear for domestic defense may be limited to non-kinetic “soft kill” means like RF and GPS signal jamming and other relatively low-tech interception techniques like nets and “string streamers” due to legal constraints on the US military’s ability to engage with drones over American soil.
https://www.wired.com/story/us-military-mystery-drones-response/