Why has BP's key witness Robert Kaluza taken the 5th twice before congress? First on Wed., May 26, then Tues., July 20

8/19, BBC, "BP rejects claims it is hiding data on oil rig explosion"

• 5/26/10, "BP worker takes 5th, making prosecution a possibility," McClatchy

Washington: "A top BP worker who was aboard the Deepwater Horizon in the hours leading up to the explosion declined to testify in front of a federal panel investigating the deadly oil rig blowout, telling the U.S Coast Guard he was

• invoking his constitutional right to avoid self-incrimination.

The move Wednesday (MAY 26) by BP's Robert Kaluza raises the possibility of criminal liability in the April 20 explosion

• that killed 11 and five weeks later continues to spew hundreds of thousands of gallons of oil into the Gulf of Mexico each day."...
• ***
  

7/20/10, CNN headline buries news that key BP executive pleaded the 5th to congress for the second time (the first being May 26) and another key man called in sick:

• "Blowout preventer control leaked hydraulic fluid, BP executive says"
• BP company man pleads the 5th (July 20) for the second time.
  

"Sepulvado and Donald Vidrine were the two (BP) "company men" who worked aboard the rig, but Sepulvado was ashore at the time of the blast for additional training on blowout preventers. He was replaced on the rig by

• Robert Kaluza, who invoked his Fifth Amendment right against self-incrimination
• Tuesday (JULY 20) when called to testify.

Vidrine has been excused from testifying for medical reasons, the company said Monday night....

• **

The buried lede is BP's key witness pleads the 5th for second time.

• (Sorry some blocks of text are a little off kilter in this post relating to the CNN story. I have quotes around the headline in the draft but they don't show up in published form, for example. The link should still work. I'll keep trying to fix it). ed.