21.   The case accused tobacco companies of concealing evidence that smoking is addictive and of manipulating nicotine levels in cigarettes.

22.   The other article charges him with obstruction of justice for a host of alleged acts including tampering with witnesses and concealing evidence in the case.

23.   The second pattern corroborated by photos is the burning of victims, also to conceal evidence, he added.

24.   The U.N. arms inspector Rolf Ekeus has just reported that Iraq is still concealing evidence of efforts to make biological weapons.

25.   They allegedly destroyed or concealed evidence and intimidated witnesses.

26.   They believe his body was then exploded, not dumped in the river, to conceal evidence of a beating or torture.

27.   Tobacco foes say the industry had concealed evidence that cigarettes were addictive and damaged health.

28.   Why has she been concealing evidence?

29.   Police have qualified immunity, though not when it can be proven they deliberately did something wrong, such as conceal exculpatory evidence.

30.   A court is also looking into whether Strauss-Kahn concealed evidence of an alleged corruption scandal that has tarnished politicians left and right.