Cold Flash — Carrie H. Johnson

In Carrie H. Johnson's explosive series, forensic firearms specialist Muriel Mabley takes a one-way plunge that's outside the law…

ON YOUR MARK. GET READY…
Muriel doesn't have the option to cool her life down to manageable chaos. She's juggling a high pressure job, her extended family, and a deepening romance with Calvin, an advocate for troubled youth. And with heroin deaths epidemic throughout Philly, she's got her hands full stopping a related killing spree that's taking out gang members and innocent victims alike…

ICED…
But soon Calvin's unofficial search for the drug's source raises the stakes on the case dangerously higher -- and brings it tragically close to home. Now, with both her reputation and her family in the crosshairs, Muriel will have to aim for justice more merciless than duty -- and risk suffering the most chilling of consequences.