Without speaking too ill of the departed, Glenn Morris was a rather odd one.... he took a bit of this, a bit of that, mainly some Chinese aspects and Bujinkan Budo Taijutsu combined with some, in instances, bizarre "spiritual" ideas (mostly dealing with the concept of Kundalini), and came up with "Hoshinjutsu", declaring himself "Soke". He had a very different sense of reality and dealing with it, which was made possible due to his natural charisma. Among other things, he claimed to have had a dream where Takamatsu Sensei (who passed on some 10 years or more before Glenn even started training in the Bujinkan arts) appeared to him, dressed in a purple gi (for some reason...) and told him (Glenn) that he was worthless, terrible, not worthy of a white belt etc, which Glenn took as a very positive sign(?). His take was that Takamatsu wouldn't "bother" to turn up in Glenn's dream unless Glenn was really worthy...
Since he passed on the organisation has basically split into a few different groups, such as the Hoshin Budo Ryu and the Hoshin Roshi Ryu, with many basically stealing the kata of established systems to fill out their own with no understanding whatsoever. There is the above forms of Katori Shinto Ryu Iai, as well as Ed Glimmle (in the UK) taking the kata of Hyoho Niten Ichi Ryu and more.
All in all, a system that survived primarily due to it's charismatic leader, and has not gone much further since his passing. Not something that is hugely respected, to be frank.
Himura, the only connection to Toshindo is that both Glenn and Steve Hayes studied under Hatsumi Sensei in Japan, and attended some seminars together. In other words, there isn't any connection between Toshindo and Hoshinjutsu (in any of it's forms).