Following is a timeline of the Deepwater Horizon oil spill for June 2010. Events prior to June June 1–5 June 1 United States attorney general Eric Holder said his office was going to investigate possible criminal prosecutions. He specifically said they are investigating Clean Water Act, Oil Pollution Act of 1990, Migratory Bird Treaty Act, Endangered Species Act. Coast Guard Rear Adm. Mary Landry steps down as federal on-scene coordinator and is succeeded by her assistant James A. Watson. 2010 Atlantic hurricane season begins. Oil reaches on the beaches of Gulf Islands National Seashore. June 2 Oil spotted from Pensacola, Florida beaches. Louisiana Governor Bobby Jindal sends Obama letter opposing the six-month moratorium on new deepwater rigs. White House approves construction of five new sand berms in addition to the one approved the week before sending the $360 million bill to BP. The berms with sand from the Gulf floor will act as barrier islands. June 3 BP begins airing an ad which features Tony Hayward and has the tagline: "We will get this done. We will make this right." It was reportedly prepared by Washington, D.C.-based "Purple Strategies" of political consultants Democrat Steve McMahon and Republican Alex Castellanos. It has an estimated budget of $50 million. Moody's estimates that the insured loss on the spill will be $1.4 billion and $3.5 billion. Moody's notes that BP's insured loss would have been more if it were not insuring with its captive insurer Jupiter Insurance of Guernsey. Jupiter has established loss reserves of $700 million. A.M. Best raises Jupiter's outlook from negative to stable. Liabilities beyond the insured losses would have to be absorbed by various involved including its three owners (BP: 65%; Anadarko Petroleum: 25%, Mitsui Oil Exploration Co. (MOECO) subsidiary of Mitsui: 10%). Transocean to be added to the Swiss Market Index on June 21. BP releases 24 ROV live streaming video feeds (2 each from the Boa Deep C, Discoverer Enterprise, Ocean Intervention III, Q4000, Skandi Neptune, Viking Poseidon). June 4 Tar balls arrive on beaches in Pensacola, Florida. However, Escambia County, Florida officials do not close the beaches. Mississippi has not closed its beaches (with the exception of Petit Bois Island and Horn Island). Alabama warns visitors to stay out of the water on all of its ocean beaches. BP says it has paid $84 million reimbursing people for loss of income. BP closing stock price 37.16