21.   Past presidents have been alerted by legal officials again and again about possible involvement of themselves or their staff in pending matters.

22.   Possible involvement by the Haitian military in drug trafficking has been cited by administration officials as a potential justification for an invasion.

23.   Prosecutors were ordered Thursday to respond to defense requests for details of any possible foreign involvement in the bombing of the federal building last year in Oklahoma City.

24.   That memo identified about seven Arabs who were being monitored by the FBI for possible terrorist involvement and noted that they were all taking some aviation-related training.

25.   The doctor had spoken reassuringly of his doubts about possible liver involvement, but he did order up a PET scan.

26.   The possible involvement of other, nonmaritime parties does not affect the jurisdictional inquiry as to the maritime party.

27.   There are internal investigations going on in both the Lewiston and Auburn police department concerning the possible involvement of officers.

28.   When allegations of possible involvement in kickback schemes first broke last year, public opinion ran against a political figure despised for his arrogance.

29.   While the mayor took a wait-and-see attitude on possible federal involvement, Rubenstein seemed intrigued.

30.   Others quit after complaints they were ignoring possible military involvement.