What tactic did the Taliban fighters use to reassert control of some areas of Afghanistan

They used to reassert control of some areas of Afghanistan was "suicide bombings"

Taliban fighters used s*icide bombings to reassert control of some areas of Afghanistan.

The Taliban is a Sunni Islamic fundamentalist political movement and military organization in Afghanistan still in war within that country.

A method they use to reassert control is s*icide bombings. For instance, on may, 6th at least 13 people have been killed and dozens wounded after Taliban fighters attacked a police headquarters in northern Afghanistan.

The assault was started by a s*icide bomber driving a Humvee loaded with explosives in the city of Pul-e-Khumri.