Although the Eighth Amendment protects against excessive bail, there is not an absolute right to bail, as noted in The Bail Reform Act , 18 USC Chapter 207 . Section 3142 of the Act denies bail to certain defendants pending trial, specifically denying bail to defendants likely to flee or pose a danger to society.
Technical violation—Occurs when the defendant fails to comply with pretrial release conditions, including failing a drug test, failing to maintain or seek employment, refusing to maintain contact with a pretrial supervision officer, or violating weapons prohibitions.
It's a hearing at which the court determines whether to detain the defendant without bail.