They've had a huge purge of the SS, now only the loyal and competent remain. Also, basic checks on things like food and injections are the first thing the SS checks. Butler was a huge failure of local law enforcement and doing outdoor events, something you notice that President Trump does not do anymore.
Perhaps you should first consider how the Butler shooting happened before placing so much trust in the Secret Service.
They've had a huge purge of the SS, now only the loyal and competent remain. Also, basic checks on things like food and injections are the first thing the SS checks. Butler was a huge failure of local law enforcement and doing outdoor events, something you notice that President Trump does not do anymore.