In Photos: Memorial to Dallas Police Officers

A makeshift memorial outside Dallas police headquarters honoring the officers shot in Thursday night's attack, July 9, 2016.

A makeshift memorial outside Dallas police headquarters honoring the officers shot in Thursday night's attack, July 9, 2016.

A young woman and girl visit the memorial site in Dallas for the five police officers killed by a sniper Thursday night, July 9, 2016.

U.S. Army retired Combat Medic Chandler Davis stood in quiet salute for hours at a makeshift memorial outside the Dallas Police Headquarters, in Dallas, Texas, July 9, 2016.

People gather at a makeshift memorial outside the Dallas Police Headquarters following an attack on police during a peaceful protest over police shootings last week, Dallas, Texas, July 9, 2016

Dallas Mayor Mike Rawlings visits a makeshift memorial of police cars, in honor of the slain Dallas police officers, in front of their headquarters in Dallas, July 9, 2016.

លោក​ស្រី​ ​Annegret Kramp-Karrenbauer ត្រូវ​បាន​ស្វាគមន៍​ដោយ​លោក​ស្រីអធិការបតី​អាល្លឺម៉ង Angela Merkel ក្រោយ​ពេល​លោក​ស្រី ត្រូវ​បាន​បោះ​ឆ្នោត​ជ្រើស​រើស​ជា​មេដឹកនាំ​គណបក្ស​សហភាព​ប្រជា​ធិបតេយ្យគ្រិស្ត ហៅ​កាត់​ថា CDU ក្នុង​អំឡុង​ពេល​នៃ​ការ​ធ្វើ​សមាជ​បក្ស​នៅទីក្រុង​ Hamburg ប្រទេស​អាល្លឺម៉ង់។

A young girl is among those visiting a makeshift memorial at Dallas police headquarters two days after a lone gunman ambushed and killed five officers at a protest decrying police shootings of black men, July 9, 2016.

Jasmine Ruiz writes a note at a makeshift memorial in front of the police department in Dallas, July 9, 2016. Five police officers were killed in a shooting in downtown Dallas on Thursday.

Notes are pinned to a squad car at a makeshift memorial in front of the police department in Dallas, July 9, 2016. Five police officers were killed in a shooting in downtown Dallas on Thursday.

Flags fly at half-staff at a makeshift memorial near the crime scene two days after a gunman ambushed and killed five police officers at a protest decrying police shootings of black men, in Dallas, July 9, 2016.