Texas Marine Unit Uses Yellowfin-built Shallow Water Vessels for Border Patrol missions. Menaced by Mexican drug cartels, the Texas Department of Public Safety operates a fleet of six shallow-water vessels it commissioned in late 2011 and 2012 to patrol its borders. The agency purchased the boats from Bradenton, Florida-based manufacturer Yellowfin Yachts as threats along the Rio Grande escalated. Yellowfin custom builds its 34-foot fishing boats for military and police purposes…