Cold Case Reopened by Caridad Pieiro
They are on a cold trail. And running out of time. Rhea Reilly is certain her twin sister’s sudden disappearance six months ago wasn’t a suicide, regardless of what Colorado authorities think. She doesn’t trust police detective Jackson Whitaker even if he’s risking his career to uncover the truth. But a lethal trail of lies is drawing them together and into an inescapable trap!

Colton 911: Undercover Heat by Anna J. Stewart
He must go undercover to save her life. After tragedy strikes, chef Tatum Colton buries herself in her job. When Detective Cruz Medina claims criminals are using Tatum’s restaurant as a front for nefarious activities, he needs her help. But undercover as her sous-chef, puts them both in the line of fire. Can Cruz protect Tatum and their growing bond.