According to news reports, the attacks on the satirical magazine Charlie Hebdo were carried out by a Yemeni offshoot of al-Qaeda, Al-Qaeda in the Arabian Peninsula (AQAP).
AQAP and Yemen figure large in the geopolitical schemes now underway throughout the Arabian Sea region.
In 2010, F. William Engdahl wrote:
The strategic significance of the region between Yemen and Somalia becomes the point of geopolitical interest. It is the site of Bab el-Mandab, one of what the US Government lists as seven strategic world oil shipping chokepoints. The US Government Energy Information Agency states that “closure of the Bab el-Mandab could keep tankers from the Persian Gulf from reaching the Suez Canal/Sumed pipeline complex, diverting them around the southern tip of Africa. The Strait of Bab el-Mandab is a chokepoint between the horn of Africa and the Middle East, and a strategic link between the Mediterranean Sea and Indian Ocean.” 
Bab el-Mandab, between Yemen, Djibouti, and Eritrea connects the Red Sea with the Gulf of Aden and the Arabian Sea. Oil and other exports from the Persian Gulf must pass through Bab el-Mandab before entering the Suez Canal. In 2006, the Energy Department in Washington reported that an estimated 3.3 million barrels a day of oil flowed through this narrow waterway to Europe, the United States, and Asia. Most oil, or some 2.1 million barrels a day, goes north through the Bab el-Mandab to the Suez/Sumed complex into the Mediterranean.
An excuse for a US or NATO militarization of the waters around Bab el-Mandab would give Washington another major link in its pursuit of control of the seven most critical oil chokepoints around the world, a major part of any future US strategy aimed at denying oil flows to China, the EU or any region or country that opposes US policy. Given that significant flows of Saudi oil pass through Bab el-Mandab, a US military control there would serve to deter the Saudi Kingdom from becoming serious about transacting future oil sales with China or others no longer in dollars, as was recently reported by UK Independent journalist Robert Fisk.
It would also be in a position to threaten China’s oil transport from Port Sudan on the Red Sea just north of Bab el-Mandab, a major lifeline in China’s national energy needs.
In addition to its geopolitical position as a major global oil transit chokepoint, Yemen is reported to hold some of the world’s greatest untapped oil reserves. Yemen’s Masila Basin and Shabwa Basin are reported by international oil companies to contain “world class discoveries.” France’s Total and several smaller international oil companies are engaged in developing Yemen’s oil production. Some fifteen years ago I was told in a private meeting with a well-informed Washington insider that Yemen contained “enough undeveloped oil to fill the oil demand of the entire world for the next fifty years.” Perhaps there is more to Washington’s recent Yemen concern than a rag-tag al Qaeda whose very existence as a global terror organization has been doubted by seasoned Islamic experts.