By Brad Segall

TULLYTOWN, Pa. (CBS) — A Bucks County woman was preparing to meet today with an attorney in Philadelphia amid allegations that her 14-year-old son was beaten by Tullytown, Pa. police officers after a shoplifting arrest last week.

READ MORE: Triple Shooting At Penn's Landing Leaves 3 Teenagers Injured: Philadelphia Police

Marissa Sargeant says her son’s swollen and bloody face was the result of a brutal beating at the hands of officers who arrested her son at a Walmart last Tuesday.

The picture of her son was posted to Facebook, and over the weekend had been shared more than 40,000 times by supporters demanding justice and calling it a case of police brutality.

READ MORE: Philadelphia Weather: Heat Advisory In Effect Until Sunday Evening As Temperatures Hit Record Highs

But law enforcement tells a different story.  Bucks County DA David Heckler told KYW Newsradio today he has no reason to believe police acted inappropriately, saying that according to police, the teen broke free and was running away when he was Tasered.

Heckler says it appears the teen was struck in the face and then fell forward onto the pavement.

Heckler says he will be conducting a review of the incident at the request of Tullytown police chief Dan Doyle.   Heckler says there were eyewitnesses and possibly dashboard camera video.

MORE NEWS: Betts Falls Triple Shy Of Cycle, Leads Dodgers Past Phillies