NFL security chief: No threats to Super Bowl have surfaced
Secretary of Homeland Security Kirstjen Nielsen speaks during a security news conference for the NFL Super Bowl 53 football game Wednesday, Jan. 30, 2019, in Atlanta. (AP Photo/David J. Phillip)

Secretary of Homeland Security Kirstjen Nielsen speaks during a security news conference for the NFL Super Bowl 53 football game Wednesday, Jan. 30, 2019, in Atlanta. (AP Photo/David J. Phillip)

Jan. 30, 2019 02:43 PM EST
NFL Chief Security Officer Cathy Lanier speaks during a security news conference for the NFL Super Bowl 53 football game Wednesday, Jan. 30, 2019, in Atlanta. (AP Photo/David J. Phillip)

NFL Chief Security Officer Cathy Lanier speaks during a security news conference for the NFL Super Bowl 53 football game Wednesday, Jan. 30, 2019, in Atlanta. (AP Photo/David J. Phillip)

Jan. 30, 2019 02:45 PM EST
The Mercdes-Benz Stadium is seen ahead of the Super Bowl LIII, Wednesday, Jan. 30, 2019, in Atlanta. (AP Photo/Mike Stewart)

The Mercdes-Benz Stadium is seen ahead of the Super Bowl LIII, Wednesday, Jan. 30, 2019, in Atlanta. (AP Photo/Mike Stewart)

Jan. 30, 2019 02:01 PM EST
Secretary of Homeland Security Kirstjen Nielsen speaks during a security news conference for the NFL Super Bowl 53 football game Wednesday, Jan. 30, 2019, in Atlanta. (AP Photo/David J. Phillip)

Secretary of Homeland Security Kirstjen Nielsen speaks during a security news conference for the NFL Super Bowl 53 football game Wednesday, Jan. 30, 2019, in Atlanta. (AP Photo/David J. Phillip)

Jan. 30, 2019 02:43 PM EST
Secretary of Homeland Security Kirstjen Nielsen leaves the stage after a security news conference for the NFL Super Bowl 53 football game Wednesday, Jan. 30, 2019, in Atlanta. (AP Photo/David J. Phillip)

Secretary of Homeland Security Kirstjen Nielsen leaves the stage after a security news conference for the NFL Super Bowl 53 football game Wednesday, Jan. 30, 2019, in Atlanta. (AP Photo/David J. Phillip)

Jan. 30, 2019 02:58 PM EST
Police on horseback patrol past Mercedes-Benz Stadium ahead of Sunday's NFL Super Bowl 53 football game between the Los Angeles Rams and New England Patriots in Atlanta, Wednesday, Jan. 30, 2019. (AP Photo/David Goldman)

Police on horseback patrol past Mercedes-Benz Stadium ahead of Sunday's NFL Super Bowl 53 football game between the Los Angeles Rams and New England Patriots in Atlanta, Wednesday, Jan. 30, 2019. (AP Photo/David Goldman)

Jan. 30, 2019 02:53 PM EST