It is a source of ongoing concern that, as you note, so many Democrat miscreants have committed so many crimes and abuses of power without being punished.
That whole IRS scandal was a disgrace. There were various others including those that resulted in dead bodies. here's a list of actual convictions from the Obama years.
List of American federal politicians convicted of crimes - Wikipedia
2009–2017 (Barack Obama (D) presidency)[edit]
Executive branch[edit]
General David Petraeus (R)[148] Director of the Central Intelligence Agency. On April 23, 2015, a federal judge sentenced Petraeus to two years' probation plus a fine of $100,000 for providing classified information to Lieutenant Colonel Paula Broadwell (2015).[149]
Legislative branch[edit]
Mark D. Siljander (R-MI) was convicted of obstruction of justice (2012).[150]
Laura Richardson (D-CA) was found guilty on seven counts of violating US House rules by improperly using her staff to campaign for her, destroying the evidence and tampering with witness testimony. The House Ethics Committee ordered Richardson to pay a fine of $10,000 (2012).[151][152]
Jesse Jackson Jr. (D-IL) pleaded guilty February 20, 2013, to one count of wire and mail fraud in connection with his misuse of $750,000 in campaign funds. Jackson was sentenced to two-and-one-half years' imprisonment (2013).[153]
Rick Renzi (R-AZ) was found guilty on 17 of 32 counts against him June 12, 2013, including wire fraud, conspiracy, extortion, racketeering, money laundering and making false statements to insurance regulators (2013).[154]
Trey Radel (R-FL) was convicted of possession of cocaine in November 2013. As a first-time offender, he was sentenced to one year probation and fined $250. Radel announced he would take a leave of absence, but did not resign. Later, under pressure from a number of Republican leaders, he announced through a spokesperson that he would resign (2013).[155][156][157]
Michael Grimm (R-NY) pleaded guilty of felony tax evasion. This was the fourth count in a 20-count indictment brought against him for improper use of campaign funds. The guilty plea had a maximum sentence of three years; he was sentenced to eight months in prison (2015).[158][159]
Dennis Hastert (R-IL) Speaker of the United States House of Representatives pleaded guilty in court for illegally structuring bank transactions related to payment of $3.5 million to quash allegations of sexual misconduct with a student when he was a high school teacher and coach decades ago.[160] (2016)
Chaka Fattah (D-PA) was convicted on 23 counts of racketeering, fraud, and other corruption charges (2016).[161]
Corrine Brown (D-FL) was convicted on 18 felony counts of wire and tax fraud, conspiracy, lying to federal investigators, and other corruption charges (2017).[162][163]
Anthony Weiner (D-NY)[164] was convicted of sending sexually explicit photos of himself to a 15-year-old girl and was made to sign the sexual offenders register. He also was sentenced to 21 months in prison, a charge that was later reduced to 18 months. He reported to prison in November 2017 and was released in May 2019 (2017).[165]
Steve Stockman (R-TX) was convicted of fraud (2018).[166]
Judicial branch[edit]
Mark E. Fuller (R) Chief Judge of the United States District Court for the Middle District of Alabama, was found guilty of domestic violence and sentenced to 24 weeks of family and domestic training and forced to resign his position (2015).[167][168][169]
Samuel B. Kent (R), Federal District Judge of the Galveston Division of the U.S. Southern District of Texas, was sentenced May 11, 2009, to 33 months in prison for having lied about sexually harassing two female employees (2009).[170]
Jack Camp (R), Senior Federal U.S. District Court Judge was arrested in an undercover drug bust while trying to purchase cocaine from an FBI agent. Judge Jack T. Camp resigned his position after pleading guilty to three criminal charges. He was sentenced to 30 days in jail, 400 community service hours and fined (2010).[171][172][173]
Thomas Porteous (D), Federal Judge of the U.S. Eastern District of Louisiana was impeached, convicted and removed from office December 8, 2010, on charges of bribery and lying to Congress (2010).[174][175]