Boston: The three young men arrested in connection with the Boston Marathon bombings are accused of obstructing justice and destroying evidence. Azamat Tazhayakov and Dias Kadyrbayev, both 19, are citizens of Kazakhstan who came to the US as students. Robel Phillipos, 19, is an American from Cambridge, Mass. Kadyrbayev and Tazhayakov, are accused of dumping a laptop computer and a backpack containing emptied fireworks that belonged to Dzhokhar Tsarnaev. All three were identified and interviewed before Tamarlan Tsarnaev was killed and Dzhokhar captured. One of those arrested told investigators he suspected Dzhokhar was involved with the bombings and was helping his friend avoid trouble.

World: An American citizen of Korean descent has been sentenced to 15 years hard labor in North Korea after authorities claim he admitted trying to overthrow the government. Pae Jun-ho, 44, was arrested last November in the special economic zone near the border with South Korea. His supporters say he was actually arrested for taking pictures of starving North Koreans. The North sometimes uses cases like this as leverage.

• At least 60 gold miners wee killed in the collapse of a mine in the Darfur region of Sudan. In a Sudanese gold rush, half a million miners dug up $2.5 billion worth of gold last year.

Teachable Moment: Disgraced former CIA director David Petraeus has taken a part-time position teaching at the University of Southern California. He’ll teach government, international relations and information technology. On the other side of the country his former mistress and biographer Paula Broadwell was seen this week at a Charlotte, NC prayer breakfast. She said, “I grew up in a strong faith-based family and I think I have tried to return to those roots.” Thank God.

Hunger Games: The NY Times reports that archeologists have found physical evidence of cannibalism at the site of the Jamestown, VA colony. Marks on the skull of a 14-year-old girl show that her head was cracked and her brain probably removed for eating. A letter by the president of the colony admitted at the time that starving colonists did extreme things such as  “to digge upp deade corpes outt of graves and to eate them.” Famine took 439 of the 500 original colonists in the early 1600s.

It’s Ancient History: A new documentary details the findings of a 13-year archeological exploration of the sunken Egyptian port city of Heracleion. Archeologists found 64 sunken ships, 700 lost anchors and several 16-foot statues from an ancient temple. The ruins were buried for 1,200 years 30 feet below the surface of the Mediterranean.

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