As the weeklong manhunt for the suspect arrested in the killings of four relatives of a baby found abandoned in Tennessee came to an end on Tuesday, police revealed the suspect’s girlfriend is related to the victims.

Though the week long Tennessee manhunt for Austin Drummond has ended on Aug. 5, law enforcement continues to search for others charged with murder.

Byron Black was put to death despite uncertainty about whether the device would shock his heart when the lethal chemicals took effect.

Tennessee executed death row inmate Byron Black on Tuesday despite raised concerns about his implanted heart device, which could cause a "prolonged and torturous execution."