Sioux Falls, S.D. (KELO-AM) - According to Sioux Falls Catholic schools, a computer hacker who was able to shut down phone, email, and internet service on Thursday has been apprehended. The services were disrupted at O'Gorman junior and senior high schools and at the six Catholic elementary schools in Sioux Falls. No information has been released on hacker's identity. Police say the situation involves a juvenile and could not confirm whether someone had been arrested.