Difference between murder and aggravated murder. I found this info on wikipedia. . Does anyone understand the difference between Capital Murder and 1st Degree Murder, in Texas? . *****… Aggravation is a concept in law, which Black's Law Dictionary defines as: "Any circumstance . Assault / Aggravated Assault Battery / Aggravated Battery Burglary . . Generally second degree murder is common law murder with first degree being an aggravated . . helped to distinguish between suicide and murder... more