In the 1970s, decades after he immigrated to the United States via Canada, Heck began to write candidly of his youthful military experiences in news articles and two books.
Pada 1970an, dengan berimigrasi ke Amerika Serikat melalui Kanada dan tinggal di AS selama beberapa dekade, Heck mulai diam-diam menulis tentang pengalaman militer masa mudanya di artikel-artikel berita dan dua buku.