Police say Matthew Zoll stabbed his father, 61-year-old Joseph Zoll early Saturday morning.
Officers found the victim at home in Rocky Point when they responded to a 911 call.
Detectives do not have a motive for the murder and say they do not think the suspect has access to a car.
ALSO READ | Teen hurt subway surfing warns others of danger: 'It's not worth it'
Teen hurt subway surfing warns others of danger: 'It's not worth it'
----------
* More Long Island news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube
Submit a tip or story idea to Eyewitness News
Have a breaking news tip or an idea for a story we should cover? Send it to Eyewitness News using the form below. If attaching a video or photo, terms of use apply.