11.   Medina, who was arrested last week, has testified that Botero was a key figure in obtaining Cali drug cartel money for the campaign.

12.   On Wednesday, Santofimio voted in favor of a bill which would have severely limited investigations of people suspected of accepting cartel money.

13.   Samper was a private citizen when his campaign allegedly accepted the cartel money.

14.   Samper, who is under investigation by a congressional commission, has said if any Cali cartel money was used by the campaign, it happened behind his back.

15.   Samper himself has repeatedly denied taking cartel money.

16.   Samper denies any knowledge his campaign took cartel money.

17.   The crisis deepened last week when unidentified gunmen injured the lawyer defending Samper against allegations his election campaign took Cali drug cartel money.

18.   The president has suggested he will show that his accusers from the campaign were lining their own pockets with cartel money.

19.   The Supreme Court, however, this week absolved one of another dozen legislators accused of taking cartel money.

20.   The U.S. State Department is reviewing the visas of many Colombian officials amid suspicions they took cartel money.