Holt McCallany

The team goes to Houston to investigate a series of seemingly random murders at construction sites; the team notices a distinct change in Reid's demeanor.

Detectives probe the shooting death of an undercover officer on a stakeout.

Jamie stands up for a fellow officer who is being ostracized for testifying against her partner; sports analyst Boomer Esiason makes a difficult request of Frank.

A woman is killed by a dose of lidocaine after a secret plastic surgery; Jamie is privately assigned a cold case; Erin decides to try speed dating.

When an officer's body camera malfunctions during an altercation, Frank is faced with public backlash; Baez and Danny step in when a witness is denied protection by the U.S. Marshals Service; Erin looks into a rape claim made by a friend's daughter.

Frank is taken by surprise during an on-air interview; Danny and his new boss clash as they investigate a drive-by shooing.