Law enforcement sources tell TMZ … the investigation into DaBaby’s fight in the bowling alley with DaniLeigh’s brother, Brandon Bills, has yielded an unexpected roadblock because the alleged victim is no longer cooperating with the police. Play video content 2/9/22 TMZ.com We are told that although much of the battle was captured on camera, it is very difficult to move forward without casualties. As we showed you, DaBaby and his crew had a fight with Brandon at a bowling alley in California in February. Police were on the case, as the video apparently showed the rapper “Suge” throwing the first punch … before his crew got involved. After examining the video, the police allegedly opened an investigation for the rapper. Play video content ICYMI, the beef between DaBaby and Brandon escalated … after Brandon’s sister DaniLeigh – DaBaby’s baby mom – raised some issues in public. At one point, DaBaby and DaniLeigh got into a fight and DaniLeigh was arrested for assault. Play TMZ.com video content We were told that the bowling investigation is still active, but it is not going anywhere right now … because Bills is not cooperating with the police. There is no reason why Bills should not cooperate … but of course, he could change his mind. Last week, DaBaby shot a trespasser at his North Carolina property. In the sound of 911 after the shooting, DaBaby spoke to the sender and told them he would refuse to drop his weapon when police arrived. Play video content The perpetrator went to the hospital with non-life-threatening injuries.