Thank you for your new question and additional information.
If he left out of the balcony door and the police did not really just let him leave, then this could be the basis for the escape. The informant could also be the probable cause for the warrant. However, the magazine found in another yard is not likely to survive a challenge to suppress the evidence and they still have to connect him to the gun and the magazine to the gun. There are just so many questionable issues here that need to be challenged in a probable cause and motion to suppress hearing, especially since no drugs were found which is grounds to challenge the probable cause for the warrant.
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