The disclosure, which the spokesman made yesterday in an interview with a small group of reporters, is meaningful because Pakistan has long been accused of pursuing a policy of differentiating between the Afghan and Pakistan Taliban as so-called "good" and "bad" militants - even though Islamabad denies this.
Pakistan has waged war against the Pakistani Taliban, which seeks to replace the country's democratic system with one based on Islamic law. But it has held off on targeting the Afghan Taliban, which has focused its attacks on US-led troops in Afghanistan. Pakistan has historical ties with the Afghan Taliban, and many analysts believe Islamabad views the group as a useful ally in Afghanistan after foreign forces withdraw.
"The Afghan Taliban are our jihadi brothers," said Shahid in an interview in Waziristan, the Taliban's main tribal sanctuary in Pakistan along the Afghan border. "In the beginning, we were helping them, but now they are strong enough and they don't need our help, but they are now supporting us financially."
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The army has also staged many offensives in Pakistan's semiautonomous tribal region, the Taliban's main sanctuary, but the militants have proven resilient and continue to carry out regular attacks.
The Taliban have financed many of these attacks through a combination of kidnappings, extortion and bank robberies. But Shahid's comments indicate these sources of financing do not always provide the funds they need.
Shahid reiterated the Taliban's view that peace talks will not succeed unless the government releases all militant prisoners and withdraws the army from the tribal region. He also demanded an end to US drone strikes targeting militants in the tribal region.