Bombs

Reporting from Twentynine Palms Marine Base, Calif. -- As Marines train to deploy to war zones, there is daily discussion about how to detect and disarm the buried roadside bombs that are the No. 1 killer of Marines in Iraq and Afghanistan. Military researchers have found that two groups of personnel are particularly good at spotting anomalies: those with hunting backgrounds, who traipsed through the woods as youths looking to bag a deer or turkey; and those who grew up in tough urban neighborhoods, where it is often important to know what gang controls which block.

General Electric Co. called a Fox News Channel report about the company supplying terrorists with material used in bombs "irresponsible and maliciously false" on Wednesday, as a feud between Fox's Bill O'Reilly and MSNBC's Keith Olbermann kept sizzling. It was the first time that GE, the parent company of NBC News and MSNBC, had publicly responded to accusations made by O'Reilly on his Fox show. Olbermann also kept up his attacks, naming O'Reilly one of his "worst persons in the world" on Tuesday's show.

Bombs hidden in plastic bags near a falafel stand exploded at a market in a mainly Shiite Muslim area of Baghdad on Sunday, killing at least eight civilians and wounding 21, Iraqi officials said. It was the latest in a series of bombings targeting Shiites and minorities in the capital and northern Iraq. The bags packed with explosives were left in a pile of garbage and exploded shortly before 8 p.m. as the district was crowded with people enjoying the evening. Several nearby stores were also damaged, said police and hospital officials, who spoke on condition of anonymity because they weren't authorized to release the information.

By all appearances, Rebecca Kuzelka used her home to operate a child day-care business on a quiet, tree-lined street in Lake Elsinore. But a different picture of the 55-year-old mother emerged after her home was rocked by an explosion late Wednesday night. On Thursday morning, deputies arrested Kuzelka and her son Grey Kuzelka, 21, on suspicion of using their home to make bombs and grow marijuana. Another son, Benjamin Kuzelka, 23, injured his hand in the explosion and was hospitalized.

A roadside bomb killed a U.S. soldier Wednesday in Baghdad, making May the deadliest month for the American military in Iraq since September. Also Wednesday, the government's watchdog agency announced that nearly 1,000 arrest warrants had been issued this year as part of a crackdown on corruption. They include warrants for about 50 senior civil servants, the agency said. The fatal attack occurred two days after a blast struck a U.S.