The most recent national report submitted to the Committee against Torture by Guatemala was its fourth periodic report. This report, which was due in 2003, was submitted in 2005. It was considered during the 36th session of CAT in May 2006.
Guatemala fourth periodic report: UN Doc.CAT/C/74/Add.1, 27 May 2005. Available (English and Spanish) here.
CAT issued its concluding observations in respect of the report on 25 July 2006: Concluding observations of the Committee against Torture: Guatemala, UN Doc. CAT/C/GTM/CO/4, 25 July 2006. The document can be viewed on the UNHCR Refworld website.
A Spanish language version is available here.