COLLINS: Mexican officials right now searching for the killers of two Americans. The men were beaten and shot to death after armed men stormed their home in Chihuahua state. Prosecutors say they have no suspects. They say the case seems to be connected to local druglords. A brother of one of themes have is a nationally known anti-crime activist. Trying to broker peace in Honduras. Representatives from both sides are sitting down in Costa Rica today, but deposed president Manuel Zelaya says there will be no negotiations with the new government. CNN's Karl Penhaul has more on those meetings and the protests by Zelaya's supporters.</s>KARL PENHAUL, CNN VIDEO CORRESPONDENT (on camera): There's been a change in tactics by supporters of the ousted president, Manuel Zelaya. On Wednesday, thousands of protesters blocked one of the main highways leading in and out of the capital, Tegucigalpa. They were pushing their calls for Mr. Zelaya to be returned to power. Protests are continuing even though there is some sign of a breakthrough on the political and diplomatic front. On Thursday, representatives of the interim government, led by Roberto Micheletti, who was installed by the military coup, is due to meet with representatives from Mr. Zelaya's government. Those talks are going to be mediated by the Costa Rican president. Now, he's a veteran negotiator, but he'll have his work cut out for him. Mr. Micheletti has said he's ready to talk, but he is not prepared to negotiate the return Mr. Zelaya to power. Mr. Zelaya has also said he is prepared to talk, but not prepared to give up his aspirations to reclaim his presidency. Karl Penhaul, CNN, Tegucigalpa.</s>COLLINS: A serious lack of security. Congress hears about bombs being built in the bathroom at ten federal buildings. Now they're looking at what could be done to avoid a repeat performance.
Trying to Broker Peace in Honduras