Lane Garrison — ‘Visible Marks’ Found on Alleged Domestic Violence Victim

Lane Garrison  is under investigation for allegedly hurting his girlfriend … sources tell our sources.

Cops won”t confirm who the alleged victim is … but we”re told Lane and girlfriend Ashley Mattingly got into another big verbal blowout Saturday night. Cops got a 911 domestic violence call and responded to the scene. When  they arrived, they saw “visible marks” on Mattingly.

Sources say the verbal argument escalated to a physical brawl. 

By the time cops arrived, Lane had split. Now he”s under investigation for felony domestic violence.

On the video (above) … you see Mattingly speaking to police outside Lane”s apt.

Earlier in the day, Mattingly tweeted, “sooo happy to be single again from @LaneGarrison9 bye bye 🙂 hahahaha.” When someone called her out for being mean, she tweeted back, “no drunk a** is trying to brake into my apt!”

Lane has yet to speak to police about the incident.