CEDAR RAPIDS — A former Four Oaks youth counselor pleaded guilty Thursday to sexually abusing and exploiting a 14-year-old boy in 2018. Danielle V. Hook, 29, formerly of Marion, pleaded in writing to amended charges of third-degree sexual abuse and sexual exploitation by a counselor or therapist. The Iowa Supreme Court is allowing written pleas to felonies during the pandemic.Sixth Judicial District Senior Judge Robert Sosalla accepted the pleas Thursday and also ordered Hook to register as a sex offender for 10 years and serve a special sentence of lifetime parole because these are sexual offenses.