>> reporter: now, the officer, mark henman, has been placed on routine administrative leave but there are also questions about what put him in that situation, in the first place. mayor jacob fry tonight issuing a moratorium on no-knock warrants unless there is an imminent threat and it's been signed off on by the chief of police. separately, the saint paul police department announced no arrests have been made in the homicide investigation that prompted what became this shooting. don. >> omar, thank you so much. i appreciate it. amir locke's parents, andre locke and karen welless are here. ben crump is representing the family. he is here as well. we will talk right after this. so you only pay for what you need. isn't that right limu? limu? sorry, one sec. doug blows a whistle. [a vulture squawks.] oh boy. only pay for what you need. ♪liberty, liberty, liberty, liberty♪