The Service Employees International Union (SEIU) has spent about $90,000 on mailers for New York special election candidate Scott Murphy.

The independent expenditure was filed with the Federal Election Commission (FEC) on Wednesday.

So far, the Democratic Congressional Campaign Committee (DCCC) has spent about $150,000 helping Murphy, while the National Republican Congressional Committee (NRCC) has spent nearly $200,000 supporting Tedisco.

The special election for appointed Sen. Kirsten GillibrandKirsten GillibrandDocumentary to be released on Gabby Giffords's recovery from shooting Tlaib blasts Biden judicial nominee whose firm sued environmental lawyer The Hill's 12:30 Report - Presented by Connected Commerce Council - Biden faces reporters as his agenda teeters MORE