During Taliban rule,[citation needed] his family fled to Pakistan, then to the United States.

[3] He spent a brief period in Pakistan and lived in the United States for almost nineteen years.

Hamidi was killed at the municipal building in Kandahar on the morning of July 27, 2011 by a man who had hidden explosives inside his turban.

The target killing or assassination was blamed on the Taliban insurgents, who are guided and supported by foreign elements such as Pakistan's ISI spy agency[5][6] and Iran's Revolutionary Guard's Quds Force.

[7][8][9][10] Two other associates of Afghan President Hamid Karzai – his half brother Ahmad Wali Karzai and Jan Mohammad Khan – were assassinated in the weeks that preceded Haider's killing.