"Remigration" is written on a banner at a demonstration by right-wing groups in Magdeburg, Germany, Saturday, Dec. 21, 2024. (dpa via AP)

People lay flowers at the entrance of a church near a Christmas Market, where a car drove into a crowd on Friday evening, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Michael Probst)

People attend a memorial service outside the cathedral close to the Christmas market, where a car drove into a crowd on Friday evening, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Michael Probst)

German President Frank-Walter Steinmeier, center, and Chancellor Olaf Scholza, center left, attend a memorial service for victims of Friday's Christmas Market attack, where a car drove into a crowd, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Ebrahim Noroozi)

Citizens pay tribute and cry for deaths outside St. John's Church near a Christmas Market, where a car drove into a crowd on Friday evening, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Ebrahim Noorozi)

A policeman, right, stands on a Christmas Market, where a car drove into a crowd on Friday evening, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Michael Probst)

German Chancellor Olaf Scholz, centre, speaks at a Christmas Market, where a car drove into a crowd on Friday evening, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Michael Probst)

Citizens pay tribute for deaths outside St. John's Church near a Christmas Market, where a car drove into a crowd on Friday evening, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Ebrahim Noorozi)

Citizens pay tribute to deaths outside St. John's Church near a Christmas Market, where a car drove into a crowd on Friday evening, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Ebrahim Noorozi)

Firefighters, in the foreground, and others, attend a memorial service for victims of Friday's Christmas Market attack, where a car drove into a crowd, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Ebrahim Noroozi)

People attend a memorial service for victims of Friday's Christmas Market attack, where a car drove into a crowd, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Ebrahim Noroozi)

Police officers and police emergency vehicles are seen at the Christmas market in Magdeburg after a driver plowed into a busy Christmas market in Magdeburg, Germany, Saturday, Dec. 21, 2024. (Matthias Bein/dpa via AP)

Policemen guard a Christmas Market, where a car drove into a crowd on Friday evening, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Michael Probst)

People outside Magdeburg Cathedral follow a memorial service for victims of Friday's Christmas Market attack, where a car drove into a crowd, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Ebrahim Noroozi)

People have lit candles at the Christmas Market in Magdeburg, Germany on Saturday evening , Dec. 21, 2024, where a car drove into a crowd on Friday evening, . (AP Photo/Michael Probst)

Participants in a silent prayer stand with candles in the Cathedral Square Magdeburg, Germany, Saturday Dec. 21, 2024 for the victims when a car drove into the crowds at the Christmas market on Friday. (Sebastian Kahnert/DPA via AP)

German Chancellor Olaf Scholz, centre, walks over a Christmas Market, where a car drove into a crowd on Friday evening, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Michael Probst)

Citizens pay tribute for deaths outside St. John's Church near a Christmas Market, where a car drove into a crowd on Friday evening, in Magdeburg, Germany, Saturday, Dec. 21, 2024. (AP Photo/Ebrahim Noorozi)

The Christmas market, where a car drove into a crowd on Friday evening, in Magdeburg, Germany, is empty on Saturday evening , Dec. 21, 2024. (AP Photo/Michael Probst)