Summary

Robert H. Jackson McDonald v. United States (335 U.S. 451…

His criminal operation, while a shabby swindle that the police are quite right in suppressing, was not one which endangered life or limb or the peace and good order of the community even if it continued another day or two; neither was the racket one the defendant was likely to abandon. Conduct of the numbers racket is not a solitary vice, practiced in secrecy and discoverable only by crashing into dwelling houses. The real difficulty is that it is so little condemned by otherwise law-abiding people that it flourishes widely and involves multitudes of people.
Source: Wikisource

Robert H. Jackson McDonald v. United States (335 U.S. 451…

When an officer undertakes to act § his own magistrate, he ought to be in a position to justify it by pointing to some real immediate and serious consequences if he postponed action to get a warrant.
I am the less reluctant to reach this conclusion because the method of enforcing the law exemplified by this search is one which not only violates legal rights of defendant but is certain to involve the police in grave troubles if continued. That it did not do so on this occasion was due to luck more than to foresight. Many home-owners in this crime-beset city doubtless are armed.
Source: Wikisource

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