As we have discussed above, the police may not storm the post office and intercept a letter, and they are likewise forbidden from using the phone system to make a clandestine recording of a telephone call unless they get a warrant, that is.

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"The police may not storm the post office and intercept a letter, and they are likewise forbidden from using the phone system to make a clandestine recording of a telephone call unless they get a warrant, " Judge Danny Boggs wrote in the 98-page opinion.

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