Energy Agency, wrote that "the only way to resolve the Iranian issue is to build trust. Moving 1200, half, or at least more than half of the Iranian nuclear material out of Iran is a confidence-building measure would defuse the crisis and enable the US and the West [to gain] the space to negotiate. I hope that it would be perceived as a win-win situation. If we see what I have been observing in the last couple of days that it is an "empty dressing", I think it is a wrong approach...we lost six years of failed policy frankly vis-à-vis Iran. And it's about time now to understand that the Iranian issue is not going to be resolved except, until and unless we sit with the Iranians and try to find a fair and equitable solution." "If this deal is followed up with a broader engagement of the IAEA and the international community, it can be a positive step to a negotiated settlement," UN secretary-general Ban Ki-moon said. Possible espionage and assassinations Several Iranian nuclear scientists died in alleged assassination attacks between 2010 and 2012. According to former Iranian chief of staff Hassan Firouzabadi, the West used tourists and environmentalists to spy on Iran: "In their possessions were a variety of reptile desert species like lizards, chameleons… We found out that their skin attracts atomic waves and that they were nuclear spies who wanted to find out where inside the Islamic Republic of Iran we have uranium mines and where we are engaged in atomic activities.", however these plots were foiled by Iran. 2013–2015 February and April 2013 Almaty negotiations September 2013 Ministerial meeting Foreign Ministers of the P5+1 met in September 2013 on the margins of the United Nations General Assembly, and were joined by Iranian Foreign Minister Zarif. October–November 2013 negotiations Lead negotiators for the P5+1 and Iran met in Geneva 15–16 October to discuss elements of a possible framework for resolving questions about Iran's nuclear program. Experts from the P5+1 and Iran met in Vienna 30–31 October to exchange detailed information on those elements. Lead negotiators met again 7–8 November to negotiate that framework, joined at the end by Foreign Ministers from the P5+1, but despite extending the talks past midnight 9 November were unable to agree on that framework and agreed instead to meet again 20 November. On 24 November, the foreign ministers of Iran and