Maria is the phrase so yeah
It is definitely grammatically correct, but I should say that you shouldn't say fly, or similar words too often otherwise it could become boring. Aside from that, it sounds good.
1 more thing, I'm not sure you'd describe the downside to the wish a 'loop-hole', because a loop-hole doesn't really make too much sense in this idea.
Perhaps the word trick, downside, negative, different result, unfortunate aspect etc.
Answer:
Made up a syndrome or illness up for the defendant.
Explanation:
Occasionally, forensic psychiatrists have made up an illness for a the defendant, which makes many people wonder if they should be allowed to testify in the first place.