Kryptonite by thegoodgirl
Summary: Adam leaned back on the bed with a sigh. This was probably not what he should be doing in a random hotel room in Austin. On the one hand, Geoff was a colleague, maybe even a superior. On the other hand, Geoff was Geoff.
Parting is Such Sweet Sorrow by rage_quitter
Summary: Two households, both alike in dignity/ (In fair Verona, where we lay our scene),/ From ancient grudge break to new mutiny,/
Where civil blood makes civil hands unclean.
Crime bosses falling in love during a shootout might not be quite as tragically romantic, but it's enough for them.