Minneapolis Mayor Jacob Frey discussed how the ban works to prevent tragedies like the deaths of Amir Locke and Breonna Taylor from happening.

Minneapolis Mayor Jacob Frey announced the new policy last month after the fatal police shooting of Amir Locke.

Amir Locke was fatally shot and killed by Minneapolis police officers executing a no-knock search warrant in February. Now, such warrants are banned in the city.

Amir Locke's mother sounded off against the laws that permit "no knock" warrants after prosecutors decided not to charge the officer who shot her son.

Minnesota authorities announced they will not press charges against the police officer who shot and killed Amir Locke, while executing a no-knock warrant.

No criminal charges will be filed in the fatal police shooting of Amir Locke.

ABC News' Stephanie Ramos speaks with Amir Locke's mother Karen Wells and family attorney Ben Crump about Minnesota’s decision to not prosecute police officers in Locke's death.

Minnesota prosecutors will not file charges against Minneapolis Police officer Mark Hanneman who fatally shot 22-year-old Amir Locke, a Black man, while executing a no-knock warrant in February.

Amir Locke, 22, was killed by officers executing a "no-knock" search warrant.

"No-knock" warrants are under scrutiny in Minnesota after the death of 22-year-old Amir Locke.

Activists say Black legal gun owners aren't given the benefit of the doubt.

Controversial "no-knock" warrants -- that lead to the death of Breonna Taylor and Amir Locke -- allow officers to enter a private home without knocking.

A 17-year-old was arrested in connection to the search warrant that led to the death of Locke, 22, who was shot and killed by Minneapolis police officers executing a "no-knock" search warrant.

A 17-year-old has been arrested in connection to the search warrant that led to the death of 22-year-old Amir Locke.

Minneapolis city council will target "no-knock" warrants in a public hearing following the fatal Amir Locke shooting.

Amir Locke, 22, was fatally shot by Minneapolis police officers in an apartment early Wednesday morning by officers executing a "no-knock" search warrant.

No-knock warrants are again under scrutiny after police in Minneapolis shot and killed 22-year-old Amir Locke. Attorney Brian Buckmire breaks down whether this case could end the controversial tactic.

Protesters took to the streets after Minneapolis police shot and killed 22-year-old Amir Locke while executing a “no-knock” warrant.

Amir Locke, 22, a Black man, was fatally shot by Minneapolis police while they were executing a "no-knock" warrant at an apartment last week.

Amir Locke, 22, was killed by Minneapolis police while they were executing a “No-Knock” search warrant at an apartment last week. The incident occurred three miles from where George Floyd was killed.