YA Romance & Action series. New boy next door is like a spy of some sort. 2nd or 3rd book: House explodes, human trafficking?

[Trini]

PROMPT: There is a new boy next door I believe and he's like a spy of some sort. I know there's two maybe three books and in the last one I think the house across the street explodes and they get out just in time. The house might've also been like a human trafficking ring or something else. The boy might've also worn a suit. (I read this book awhile ago so I only remember bits and pieces)

[Lobstergirl, au gratin]

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Please add more plot details to your topic header from what you've already written.

[Kris]

Trini, I copied plot details to the header/ topic title. Feel free to edit it.

How old are the main characters? Are they high school or college students - or what are their jobs?

Location?