NEW : Call to a tip hot line led to the arrests , Crowley says . Investigators were first made aware of the suspects about two weeks ago and had been trying to build a case against them since then , ATF Special Agent Thomas Crowley said . NEW : Source : Evidence linked to Two of the suspects through DNA . one men charged with arson in connection with one Bourque church fire . Men are suspects in one other church fires in east Texas , authorities say .
NEW : Call to a tip hot line led to the arrests , Crowley says . NEW : Source : Evidence linked to Two of the suspects through DNA . one men charged with arson in connection with one Bourque church fire . Men are suspects in one other church fires in east Texas , authorities say .