cnn has uncovered more details. reporter: two teenagers still in a coma after they muwere exposed to a deadly pesticide while on spring break with their family. cnn has learned it was probably illegally used numbers of times according to officials. the governor said even his own condominium complex was fumigated without his knowledge in 2013. what these companies did or appear to have been doing is clearly a violation. and they ll be held accountable for. it. reporter: the epa investigation has already found evidence that terminix may have illegally used the substance four times including the day before thanksgiving on a vacation villa on st. croix and villas on st. john last fall. authorities are tracking down the residents who stayed at the villas. terminix didn t want to talk about it. the government official says you guys have used this
doing is clearly a violation of the law and they will be held accountable for it. reporter: the epa investigation found evidence ter my knicks may have illegally used it four times, including the day before thanksgiving on a vacation villa on saint kroix, and in the villas on st. john last fall. authorities are now tracking down the residents who stayed at the villas but it terminix didn t want to talk about it. spoke to a government official who said you have used this substance inside at this resort before this incident. trying to say what part you didn t understand what part i said before. what part? i cannot talk to you. i m going to give you the chance to respond. we can t. i m afraid not. you understand. all right. yeah. terminix issued a statement saying it is, quote, committed to performing all work in a manner that is safe and is looking into this matter internally and cooperating with