BALTIMORE (WBFF) - Body-worn camera video shows Bryan Hannah being tasered by police in July 2017.
The arrest resulted in Hannah being charged and convicted of assaulting a police officer.
During his 30-day weekend sentence, Hannah is accused of fatally shooting Daniel Mullhausen on December 26, 2017.
The Harford County resident was in recovery following an addiction to crack cocaine. It’s suspected Mullhausen may have been in the city to purchase drugs at the time of his killing.
There’s a fear John Mullhausen must face as the trial for his son’s accused killers gets closer. Hannah has avoided prosecution in several other crimes.
John Mullhausen now worries if that will be the case again.
Data from the Baltimore City State's Attorney shows prosecutors dropped nearly 40 percent of all felony cases in 2017.
These are dropped cases Marilyn Mosby didn't consider when calculating her 2017 conviction rate.
Mosby said: “You wouldn't include cases that are 'nolle prosequi' in any sort of conviction rate. Right, like, again we follow the standards of the Association of Prosecuting Attorneys.”
During an interview with FOX45, APA President David LaBahn explains his organization has no such standards.
LaBahn said: “While all offices measure conviction rates, let's say domestic violence cases, that measurement is going to be done differently.”
The math behind Mosby’s conviction rate calls into question the practice of not counting dropped cases toward a conviction rate.
Federal Courts factor all dropped cases as part of its rate.
Mosby says she has a conviction rate of 92 percent, but when you factor in dropped cases for 2017, her felony conviction rate drops to 56 percent.
University of Baltimore School of Law Professor David Jaros said: “There is no easy data point you can point to and say this person is doing a good job or this person is doing a bad job.”
The two challengers running against Mosby believe Mosby’s math is misleading and beyond that is contributing to the rate of crime in Baltimore.
Attorney Ivan Bates said: “Repeat violent offenders are winning and we're losing.”
State’s Attorney candidate Thiru Vignarajah said: “There is no one who has more influence on whether crime goes up or crime goes down then the State's Attorney.”
John Mullhausen said: “I don’t want to be another statistic.”
John and his wife Lisa hold out hope that Daniel’s case will be one prosecutors see to the end.