Tom DeLay offenses:

 
• Used corporate money given to his PAC to finance Texas campaigns in violation of state law.
• Accepted trips from corporations and later helped kill legislation they opposed.
• Accepted trips from the lobbyist for a foreign government in violation of House rules.
• Paid family members more than $500,000 out of campaign contributions.
• Helped sweatshops in the Mariana Islands at the behest of a lobbyist.
• Promised a role in drafting legislation to a corporate donor.
• Tried to coerce a Congressman for a vote on Medicare.
• Used Homeland Security resources in a dispute with Democrats in Texas.
• Diverted funds from a children's charity for lavish celebrations at the Republican convention.
• Threatened retaliation against interest groups that don't support Republicans
• Stacked the House Ethics Committee with representatives who have contributed to his legal defense fund.
• Crippled the effectiveness of the House Ethics Committee by purging members who had rebuked him.
• Pushed for a rules change for the House Ethics process that paralyzed the panel
• Sought a rule change that would have no longer "required leaders to step aside temporarily if indicted"

Resources about Tom DeLay, including links:

More on DeLay's list of offenses.
http://thinkprogress.org/index.php?p=839

Rankings of connections between DeLay and every member of Congress.
http://www.pcactionfund.org/delayspocket/

House Democrats expose DeLay's missteps.
http://www.houseofscandal.org/

List of representatives in DeLay's pocket:

Rep. Melissa Hart (PA-4). Supports DeLay as majority leader. Took $15,000 from DeLay's PAC. Votes 96% of the time with DeLay. Member of the House Ethics Committee charged with ruling on DeLay.

Rep. Dave Reichert (WA-8). Supports DeLay as majority leader. Took $10,000 from DeLay's PAC. Votes 95% of the time with DeLay.

Rep. Chris Chocola (IN-2). Supports DeLay as majority leader. Took $30,000 from DeLay's PAC. Contributed $2,500 to DeLay's legal defense. Votes 98% of the time with DeLay.

Rep. Rob Simmons (CT-2). Supports DeLay as majority leader. Took $29,500 from DeLay's PAC. Contributed $1000 to DeLay's legal defense. Votes 81% of the time with DeLay

Rep. Mike Sodrel (IN-9). Supports DeLay as majority leader. Took $10,000 from DeLay's PAC. Votes 99% of the time with DeLay.

Rep. Heather Wilson (NM-1). Supports DeLay as majority leader. Took $36,959 from DeLay's PAC. Votes 88% of the time with DeLay.

Rep. Marilyn Musgrave (CO-4). Supports DeLay as majority leader. Took $20,000 from DeLay's PAC. Votes 96% of the time with DeLay.