Definition: Given a document, generate a short title of the document. The title should convey the main idea/event/topic about which the document is being written. Note that URLs in the text have been replaced with [Link].
Input: CLOSE ESPN produced a short documentary on  Zaevion Dobson  who was killed protecting his friends from gunfire . Courtesy of ESPN Films
 Zenobia Dobson  wipes away tears as  she  recalls the night  she  learned  her  son Zaevion had been shot. (Photo: Ruth White/News Sentinel)
 Zenobia Dobson  watched  her  sons walk out the door. Then  she  heard the gunshots.
"I knew my sons were out there "  she  testified Thursday. "I just started praying. I was hoping wherever they were that they were safe."
A phone call sent  her  running out the door to the friend's home they'd gone to visit.  Her  older son Zack met  her  in tears.
 A gathering of friends
Zaevion Dobson  15   never made  it  home. The mother relived that night of Dec. 17  2015  on Wednesday before a Knox County Criminal Court jury hearing the case of the three men accused of killing him.
More: Fulton football retires Zaevion Dobson's jersey
More: Playground dedicated in honor of  Zaevion Dobson
 Editorial:  Zaevion Dobson's  legacy of heroism
 CLOSE Zaevion Dobson  a former Fulton football player   would have been a member of the 2018 senior class. Diana C. Nearhos  USA TODAY - Tennessee
 His  sacrifice drew nationwide recognition  including ESPN's Arthur Ashe Courage Award and a tribute from President Barack Obama during a speech on gun violence.
Christopher Drone Bassett  22  Richard Gregory Williams III  23  and Kipling Colbert Jr.  22  are standing trial on charges that include first-degree murder and eight counts of attempted murder in  Dobson 's death. Williams already has been convicted of shooting a witness in the case for "snitching" on him.
 Zaevion Dobson   a 15-year-old Fulton High School student  was fatally shot on Dec. 17  2015. (Photo: Courtesy of Fulton High School)
 Dobson  and friends had just finished the last day of school before Christmas break and gone to a basketball game.  He  and  his  brother swung home to check in with their mother and then headed to Badgett Drive to meet a friend  Faith Gordon  and others at her aunt's apartment.
More: Tennessee's Todd Kelly Jr.  LaTroy Lewis honor  Zaevion Dobson  with speeches

Zaevion Dobson trial: 'I just about lost it ' mother testifies