A drawing of a person holding a gun is seen in this still image taken from a video uploaded by Robert (Bob) E. Crimo III, a person of interest in the mass shooting that took place at a Fourth of July parade route in the wealthy Chicago suburb of Highland Park, Illinois, U.S. Robert Crimo/via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES.

Robert (Bob) E. Crimo III, a person of interest in the mass shooting that took place at a Fourth of July parade route in the wealthy Chicago suburb of Highland Park, Illinois, U.S. is seen in this still image obtained from a social media video. Robert Crimo/via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES.

Robert E. Crimo III, suspect in the mass shooting that took place at a Fourth of July parade route in the Chicago suburb of Highland Park, Illinois, U.S. is seen in initial booking photograph from the Highland Park Police Department released July 6, 2022. Lake County Major Crime Task Force/Handout via Reuters THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. THIS IMAGE WAS PROCESSED BY REUTERS TO ENHANCE QUALITY, AN UNPROCESSED VERSION HAS BEEN PROVIDED SEPARATELY.


Robert (Bob) E. Crimo III, a person of interest in the mass shooting that took place at a Fourth of July parade route in the wealthy Chicago suburb of Highland Park, Illinois, U.S. is seen in this handout photo released July 4, 2022. City of Highland Park, Illinois Government/Handout via Reuters THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY

A still image from surveillance footage shows a person who police believe to be Robert (Bob) E. Crimo III, a person of interest in the mass shooting that took place at a Fourth of July parade route in the Chicago suburb of Highland Park, Illinois, U.S. dressed in women's clothing on July 4, 2022. Highland Park Police Department/Handout via Reuters THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES. THIS IMAGE WAS PROCESSED BY REUTERS TO ENHANCE QUALITY, AN UNPROCESSED VERSION HAS BEEN PROVIDED SEPARATELY. TPX IMAGES OF THE DAY

Robert "Bobby" E. Crimo III, 21, who is charged with seven counts first-degree murder in the mass shooting that took place at a Fourth of July parade route in the Chicago suburb of Highland Park, appears at his bond hearing via video at Lake County Circuit Court in Waukegan, Illinois, U.S. July 6, 2022. Antonio Perez/Pool via REUTERS.

Robert (Bob) E. Crimo III, a person of interest in the mass shooting that took place at a Fourth of July parade route in the wealthy Chicago suburb of Highland Park, Illinois, U.S. is seen in this still image obtained from a social media video. Robert Crimo/via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES.

Robert (Bob) E. Crimo III, a person of interest in the mass shooting that took place at a Fourth of July parade route in the wealthy Chicago suburb of Highland Park, Illinois, U.S. is seen in this still image obtained from a social media video. Robert Crimo/via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES.

Robert (Bob) E. Crimo III, a person of interest in the mass shooting that took place at a Fourth of July parade route in the wealthy Chicago suburb of Highland Park, Illinois, U.S. is seen in this still image obtained from a social media video. Robert Crimo/via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES.

Robert (Bob) E. Crimo III, a person of interest in the mass shooting that took place at a Fourth of July parade route in the wealthy Chicago suburb of Highland Park, Illinois, U.S. is seen in this still image obtained from social media. Robert Crimo/via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES.

Robert (Bob) E. Crimo III, a person of interest in the mass shooting that took place at a Fourth of July parade route in the wealthy Chicago suburb of Highland Park, Illinois, U.S. is seen in this still image obtained from a social media video. Robert Crimo/via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES.

Robert E. Crimo III, suspect in the mass shooting that took place at a Fourth of July parade route in the Chicago suburb of Highland Park, Illinois, U.S. is seen in initial booking photograph from the Highland Park Police Department released July 6, 2022. Lake County Major Crime Task Force/Handout via Reuters THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. THIS IMAGE WAS PROCESSED BY REUTERS TO ENHANCE QUALITY, AN UNPROCESSED VERSION HAS BEEN PROVIDED SEPARATELY.


Robert "Bobby" E. Crimo III, 21, who is charged with seven counts first-degree murder in the mass shooting that took place at a Fourth of July parade route in the Chicago suburb of Highland Park, appears at his bond hearing via video at Lake County Circuit Court in Waukegan, Illinois, U.S. July 6, 2022. Antonio Perez/Pool via REUTERS.

Robert E. Crimo III, suspect in the mass shooting that took place at a Fourth of July parade route in the Chicago suburb of Highland Park, Illinois, U.S. is seen in initial booking photograph from the Highland Park Police Department released July 6, 2022. Lake County Major Crime Task Force/Handout via Reuters THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. THIS IMAGE WAS PROCESSED BY REUTERS TO ENHANCE QUALITY, AN UNPROCESSED VERSION HAS BEEN PROVIDED SEPARATELY.


A drawing of a person holding a gun is seen in this still image taken from a video uploaded by Robert (Bob) E. Crimo III, a person of interest in the mass shooting that took place at a Fourth of July parade route in the wealthy Chicago suburb of Highland Park, Illinois, U.S. Robert Crimo/via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES.

Robert (Bob) E. Crimo III, a person of interest in the mass shooting that took place at a Fourth of July parade route in the wealthy Chicago suburb of Highland Park, Illinois, U.S. is seen in this still image obtained from a social media video. Robert Crimo/via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES.

Robert "Bobby" E. Crimo III, 21, who is charged with seven counts first-degree murder in the mass shooting that took place at a Fourth of July parade route in the Chicago suburb of Highland Park, appears at his bond hearing via video at Lake County Circuit Court in Waukegan, Illinois, U.S. July 6, 2022. Antonio Perez/Pool via REUTERS.

Robert (Bob) E. Crimo III, a person of interest in the mass shooting that took place at a Fourth of July parade route in the wealthy Chicago suburb of Highland Park, Illinois, U.S. is seen in this still image obtained from a social media video. Robert Crimo/via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES.