Hints and tips:
...Robert Kaluza, the other, faced trial for the same offence and was acquitted....
...He told the court that the Robert Kaluza and Donald Vidrine, BP’s well site leaders on the rig, made the final decision on whether the test had been passed....
...Robert Kaluza, BP well site leader on the day of the explosion, has avoided testifying by invoking his fifth amendment rights not to incriminate himself....
International Edition