Lyle Nicholson spent two years working in the Security industry, providing Security Services and Systems for large oil companies in Calgary, Alberta, the nerve centre for Canada’s Oil. And then in 1988 he started his own company to sell safety work wear to oil companies in Canada and Alaska. Lyle retired in 2011 and began a career in writing. Writing was always one of his passions. He now lives in Kelowna, British Columbia with his wife of thirty plus years, where he indulges in his second career of writing, fine cooking, and fine wines. PIPELINE KILLERS is the second book of the Detective Bernadette Callahan Mystery Series. The first book, POLAR BEAR DAWN, was published in 2013.