His family soon moved to Quincy, California, where he played several sports in high school and was president of the student body from 1958 to 1959 as a senior.
He worked first in the San Francisco Bay Area and moved to Colusa County, California, later.
During a stakeout in California, he busted an illegal snagging boat after being reeled in from the Eel River, where he had been waiting in a wetsuit.
[5] In 1989 the Feather River Bulletin reported that Grosz considered that role his "most satisfying".
[7] In 1989 he organized anti-poaching raids in Colorado's San Luis Valley where 275 officials arrested numerous locals.
[9] After retirement, Grosz prepared one hundred and sixty four stories about his career, which he published in several books.
[11] He wrote a total of eleven books and a series that included some of his stories, titled "Wildlife Wars" was released on Animal Planet.