Perhaps this is one way it could be done...
1976 Loyada Hostage Rescue Mission
http://foreignlegion.info/1976-loyada-hostage-rescue-mission/
At 03:45 p.m. (15h45), an order was given to rescue the children. GIGN snipers fired coordinated shots to kill the kidnappers. In response, the Somali guns opened fire. This was the signal for the paratroopers. The 2e REP legionnaires launched a frontal attack and ran forward under enemy fire. They were designated to ensure the rescue of the children and to eliminate the Somali gunfire.
From the recent fictionalized movie: 'Fifteen Minutes of War'. The coordinated shot starts at 6:27 minutes into the video...
After the shot:
The full movie can be watched for free on dailymotion:
That made for a quick 1:38.
Thanks for posting.