Yet the leads are pulled forward when Scott ran, that might lead the officer into thinking Scott still had the taser.
The Taser has been fired. It cannot be fired again without a new cartridge.
Slager is well aware that the Taser has been fired.
Even if Scott had the Taser, he could only use it in contact mode, as a regular Taser.
Scott was no more dangerous than any other person with a personal Taser.