SCHALLER, Iowa (AP) — The small, family-owned Iowa trucking company linked to the deadly case of immigrant smuggling in Texas has a history of safety and tax violations and financial problems, public records show. Pyle Transportation Inc. failed to pay federal employment and trucking taxes for years, faced lawsuits from Iowa labor regulators over unpaid wages owed to drivers and has been ordered to pay major penalties for violations of federal safety rules, records show. The company and its driver insist they know nothing about how dozens of immigrants became packed inside the trailer of its 18-wheeler, which was found parked in the searing heat outside a San Antonio Walmart over the weekend. In 2015, it faced a $90,000 penalty for the same infraction. Since Jan.