While you wait for an answer, you may be interested in this related answer by /u/royalsanguinius to the question Considering how many Roman emperors have been assassinated by the Praetorian guard, wouldn't emperors be safer without it?.

These excerpts are probably the parts you'd find most interesting:

After Constantine abolished the Praetorian Guard and replaced them with the scholae palitinae (literally the Palatine School), no other emperor was assasinated by his personal bodyguard (at least not any that we have a record for).
[...]
Constantine also decreased the size of the imperial bodyguard to only 500 men. Before this the Praetorian Gaurd had been made up of anywhere from 4,500-15,000 men, the total number differed from emperor to emperor. At its peak strength of 15,000 the Praetorian Guard was effectively its own army, which likely would have made them feel more comfortable with assassinating, and proclaiming new emperors, on their own.
[...]
In fact it should be noted that Constantine was able to abolish the Guard in the first place, because he defeated them in battle in 312. Falvius Severus had previously attempted to disband the Praetorian Guard a few years before Constantine, but he failed and the Praetorians supported the usurper Maximian. This led to the Battle of the Milvian Bridge in 312, where Constantine's army defeated Maximian, who's army was mostly composed of Praetorian Guardsmen. With this Constantine was able to disband the Gaurd and eventually replace it with the scholae palitinae.

Edit: Thanks for the Hugz stranger! This comment is receiving more attention than I expected, so I just wanted to clarify that I am not a historian, and this wasn't intended to be an answer. I was just trying to do the thing we so often do on this subreddit which was to provide some related reading to the asker while they wait for a detailed answer to their question.

Since I posted this I've done a bit more crawling through old posts, and so two others questions which you might find relevant/interesting are If the Praetorian guard assassinated so many emperors, why did emperors continue to employ them/ allow them to be so powerful and organized? and I'm a Roman Emperor and things are getting dicey for me. Can I send the Praetorian Guard away until things die down?.