Dissecting Pedro's Cockroach

I was having a delicious coffee at the "Poet's Passage" in Old San Juan, Puerto Rico, sitting right at the table that looks to the street as people and cars pass by when this lady walked by. She stopped suddenly just directly in front of the glass window when I was then looking out thru the big glass window as people walk by the sidewalk. She stops, looks in, and focuses on me, the only person on that front table. I asked myself, "What's going on?" She came into the passage directly to my table and looking at me right in the eyes and said, "Were you once an undercover crime detective for the New York Public Housing Police...?