U.S. Capitol building

Erik Prince Meet Susan Burke

Jamison KoehlerCurrent Events, Other Criminal Offenses

  My wife Susan Burke heads to the United Arab Emirates this weekend to depose Blackwater Founder Erik Prince as part of one of her civil lawsuits against him. As reported in yesterday’s New York Times, Susan has brought suit against Prince on behalf of former Blackwater employees accusing Prince of defrauding the government. Susan has already settled seven suits …

Jefferson Memorial at night

The “Disappearing Sway” In A DWI/DUI Case

Jamison KoehlerDUI and Driving Offenses

  “Swaying while balancing” is one of four “clues” used by a police officer to detect intoxication during the One-Leg-Stand component of the Standardized Field Sobriety Test (SFST).  The police officer would require only one other clue to mark the suspect down as having failed this component and arrive at the conclusion that there is a 65% (according to the …

Jefferson and Washington monuments

Everyone Should Have An Identical Twin

Jamison KoehlerCriminal Procedure, Law Practice

For over 20 years, Detective Wynn conducted line-ups at the Curran-Fromhold Correctional Facility (CFCF) in Philadelphia.  The line-ups were carried out in a little triangular-shaped room just beyond the main reception area. You know the way it looks from T.V.: the ante-room, the glass, and then, on the wall behind where the suspects stand, the red lines demarcating height.  The …

U.S. Capitol Building

The Blood/Breath Partition Ratio in a DWI Case

Jamison KoehlerDUI and Driving Offenses

The science behind the Intoxilyzer 5000EN and other breath test machines all sounds very impressive.  The problem is that the machines are based on certain assumptions about the person being tested.  If the assumptions are faulty, so are the results. One of the major assumptions used in breath testing is that there is a correlation of 1 to 2100 between …