The dispute started after 18 former Scouts filed swimsuit in 2012 towards BSA and its Chicago-area council, alleging sexual abuse by Scout chief Thomas Hacker between 1980 and 1988. Nationwide Surety, which had issued extra legal responsibility insurance coverage insurance policies to BSA, filed a seven-count grievance in Illinois looking for a declaration that it had no obligation to supply protection. The swimsuit named BSA, the Hacker claimants, and 19 different insurers, together with Allianz World Dangers U.S. Insurance coverage Firm, which had settled with BSA.