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Originally slated for release through Tiffany Pictures, James Cruze Production's The Costello Case ended up being distributed by Educational, a firm usually limited to cheap two-reel comedies. Tom Moore lays on plenty o' blarney as an Irish cop who befriends would-be burglar Lola Lane. Turns out that Lane is a good girl who's been led astray by speakeasy owner Wheeler Oakman. When the latter is murdered, both Lane and her reporter boyfriend Roscoe Karns are held responsible. Utilizing "psychological warfare," Moore manages to wrest a confession out of the genuine killer.