tiktok from all state government devices as well. >>> a disturbing story today out of tennessee. police say a prominent surgeon was shot and killed by a patient inside an exam room on tuesday. maggie happen at a doctor's office. what do we know about the shooting and any potential motive. >> reporter: no word at this point on a potential motive. only saying in the person they've i.d., 29-year-old larry pickens the alleged shooter they say was indeed a patient of dr. ben mauck, a prominent orthopedic surgeon in the memphis area, this happened at collierville clinic. yesterday afternoon around 2:00, police telling reports they had gotten a 911 call that a doctor had been shot. when they arrived they found dr. mauck dead inside an exam room. >> the suspect had a firearm in his possession, it was on his person, it wasn't in his hand. he was taken into custody without incident, so we have the suspect in custody at this time. >> reporter: again, that suspect just now i.d.ed as larry pickens. dr. mauck is being remembered, the outpouring of support on social media for the clinic, local children's hospital where he worked as a prominent renowned, respected orthopedic surgeon, those who kn