They said they learned of the explosives while questioning Mr. Spaulding, who was being held for violating the terms of his home detention for an unrelated offense.
He said an "overzealous prosecutor" in Florida could try to use his testimony to revoke his probation on an unrelated offense.
Mr. Baxter, imprisoned for an unrelated offense, would have been eligible for parole next year.
That the roadblocks serve these legitimate state interests cannot be seriously disputed, as the 49 people arrested for offenses unrelated to drugs can attest.
The one-year suspension to Hornung and Karras for an offense unrelated to drugs would not go matched until that of Pacman Jones for the 2007 season.
Law-enforcement officials said they should also be able to use information from medical records in prosecuting patients for offenses unrelated to health care fraud.
But well over two-thirds of the reported detentions were for traffic violations and other offenses unrelated to Zimbabwe's economic crisis, the stated focus of the crackdown.
The others were sentenced to various prison terms, the editor said, but he cautioned that at least some of the 45 were convicted of offenses unrelated to the political unrest.
Even a pocketknife can result in a serious weapons charge while on foreign soil - even if the knife is found during a search or arrest for an unrelated offense.
The charge was dropped on Thursday in exchange for a guilty plea to unrelated offenses involving unauthorized intrusions into the files of the Pacific Bell Telephone Company.