CORPUS CHRISTI (Kiii News) - A 32 year old man is in police custody after he threatened to harm his grandfather with a sword. Officers responded and surrounded a home on the 4100 block of Linden Street. Police were able to take the suspect into custody. The grandfather was not hurt. Police are charging the suspect with aggravated assault and possession of a controlled substance. Hear what police found inside the home tonight on 3 News at 5:30.