Horsch House_ What Did the FBI Find Inside the Walls_.

The FBI and Philadelphia Police are intensifying their search of the Horsch House as forensic teams examine the property for evidence connected to multiple missing women. Retired NYPD Sergeant William Cannon breaks down the K-9 searches, basement evidence, and critical forensic techniques investigators could use to establish whether murders occurred inside the home. Can detectives finally connect the digital evidence to physical proof and build a homicide case?