I'm not sure what you are referencing when you say cutting regulations, at least with respect to conservatives, since conservatives tend to increase regulations on criminals and ex-criminals. As for GPS monitoring, and parole, both are inherently liberal concepts. The US government abolished parole for all federal crimes in the Comprehensive Crime Control Act of 1984, a bill authored and sponsored by Strom Thurmond and signed into law by President Reagan. Sixteen states, all conservative, have abolished parole completely, and four others have abolished it for certain violent crimes. The idea of GSP monitoring was developed by Kirkland and Robert Gabel (both psychology majors and currently psychology professors at universities), and William Hurd, while they were research grad students at Harvard in the 1960s. The first judicial order of GPS tracking was made, famously, in 1977 by Albuquerque, NM District Court Judge Jack Love after reading a Spiderman comic where a tracking bracelet was used.
Jack Love is a card carrying liberal and his bench record proves it. He wanted to use GPS bracelets to get people out of prisons sooner, both to reduce prison populations (but all it did was free up room for more prisoners) and because getting people out of prison sooner is more humane.
Cutting taxes rarely results in cutting prison budgets. Increased use of ankle bracelets without the money to pay for them is a problem, though. Liberals want more money for ankle bracelet monitoring, but conservatives don't want to spend more on it because the stats show that ankle bracelets have no effect on deterring crime and are largely ineffective in all but certain situations, like, ironically, sex offenders, where the monitors alert authorities if the offender comes within 100 feet of a school, for example.