New Orleans attacker visited scenes of the shooting before it occurred, new video shows

The transcript discusses a terrorist attack on New Year's Day in New Orleans, where 14 people were killed. The FBI is investigating the suspect's travel history to Cairo and Ontario, which may have contributed to his radicalization. The suspect used high-tech glasses to survey Bourbon Street before the attack. The FBI highlights the challenge of identifying lone actors and the threat of vehicle ramming attacks. President Biden has announced additional federal resources for New Orleans to ensure security during the Super Bowl and Mardi Gras.

How does the FBI describe the challenge posed by lone actors in terms of law enforcement?

What measures has President Biden announced to enhance security in New Orleans?