On Portland's streets: Anger, fear and nightly demonstrations

Federal officers advance on protesters during a Black Lives Matter demonstration at the Mark O. Hatfield U.S. Courthouse on Saturday, July 25, 2020, in Portland, Ore. (AP Photo/Marcio Jose Sanchez)

Demonstrators sit and kneel as tear gas fills the air during a Black Lives Matter protest at the Mark O. Hatfield U.S. Courthouse on Sunday, July 26, 2020, in Portland, Ore. (AP Photo/Marcio Jose Sanchez)

Demonstrators shield themselves behind parts of a toppled fence as federal officers deploy tear gas during a Black Lives Matter protest at the Mark O. Hatfield U.S. Courthouse early Sunday, July 26, 2020, in Portland, Ore.  (AP Photo/Marcio Jose Sanchez)

A demonstrator scales a fence during a Black Lives Matter protest at the Mark O. Hatfield U.S. Courthouse on Sunday, July 26, 2020, in Portland, Ore. (AP Photo/Marcio Jose Sanchez)

Demonstrators try to cut through a steel fence during a Black Lives Matter protest at the Mark O. Hatfield U.S. Courthouse on Friday, July 24, 2020, in Portland, Ore. (AP Photo/Marcio Jose Sanchez)

A federal officer holds a tear gas gun during a Black Lives Matter protest at the Mark O. Hatfield U.S. Courthouse on Sunday, July 26, 2020, in Portland, Ore. (AP Photo/Marcio Jose Sanchez)

Demonstrators back away from federal officers during a Black Lives Matter protest at the Mark O. Hatfield U.S. Courthouse on Friday, July 24, 2020, in Portland, Ore. (AP Photo/Marcio Jose Sanchez)

Demonstrators march during a Black Lives Matter protest on Friday, July 24, 2020, in Portland, Ore. (AP Photo/Marcio Jose Sanchez)

Demonstrators hold signs during a Black Lives Matter protest at the Mark O. Hatfield U.S. Courthouse on Friday, July 24, 2020, in Portland, Ore. (AP Photo/Marcio Jose Sanchez)

Seen from a window at the Mark O. Hatfield U.S. Courthouse, Black Lives Matter protesters march up SW Salmon Street on Friday, July 24, 2020, in Portland, Ore. (AP Photo/Noah Berger)

As protesters gather behind a fence, federal officers work to maintain a perimeter in front of the Mark O. Hatfield U.S. Courthouse on Friday, July 24, 2020, in Portland, Ore. (AP Photo/Noah Berger)

Green lines cast by a protester's laser pointer enter the Mark O. Hatfield U.S. Courthouse as federal officers work to keep protesters out on Saturday, July 25, 2020, in Portland, Ore. The beams, which can damage eyes, are routinely aimed at U.S. officers guarding the courthouse.  (AP Photo/Noah Berger)

Demonstrators shield themselves from federal officers during a Black Lives Matter protest at the Mark O. Hatfield U.S. Courthouse on Saturday, July 25, 2020, in Portland, Ore. (AP Photo/Marcio Jose Sanchez)

Federal officers guard the Mark O. Hatfield U.S. Courthouse as a fire lit by protesters burns on the other side of a perimeter fence on Saturday, July 25, 2020, in Portland, Ore. (AP Photo/Noah Berger)

Demonstrators shield themselves with umbrellas as federal officers launch tear gas outside the Mark O. Hatfield U.S. Courthouse during a Black Lives Matter protest on Friday, July 24, 2020, in Portland, Ore. (AP Photo/Marcio Jose Sanchez)

Participating in a protest in Portland, Ore., on Friday evening, July 24, 2020, are (from left) Xavier Minor, 10; his mother, Barbie Minor; Kali Minor, 14; and father, Kamon Minor. (AP Photo/Gillian Flaccus)

A federal officer dons a gas mask, as officers kept protesters away from the Mark O. Hatfield U.S. Courthouse early Saturday, July 25, 2020, in Portland, Ore. (AP Photo/Noah Berger)