A General in the Croatian Army, he was partially disabled due to a concussion and spine injury sustained in June 1992 while driving near the Neretva River, as documented by the authorities of the then-Croatian Republic of Herzeg-Bosnia.[3]
In the indictment it is alleged that, as the overall HVO commander, Petković directly commanded the Herceg-Bosna/HVO armed forces and is responsible for its actions. It is alleged that among other things the HVO armed forces:
used the Heliodrom Camp as a detention centre where the Bosnian Muslims from Mostar were detained. Conditions at the Heliodrom concentration camp were deemed inhumane.
nine counts of grave breaches of the Geneva conventions (wilful killing; inhuman treatment (sexual assault); unlawful deportation of a civilian; unlawful transfer of a civilian; unlawful confinement of a civilian; inhuman treatment (conditions of confinement); inhuman treatment; extensive destruction of property, not justified by military necessity and carried out unlawfully and wantonly; appropriation of property, not justified by military necessity and carried out unlawfully and wantonly).
nine counts of violations of the laws or customs of war (cruel treatment (conditions of confinement); cruel treatment; unlawful labour; wanton destruction of cities, towns or villages, or destruction not justified by military necessity; destruction or wilful damage done to institutions dedicated to religion or education; plunder of public or private property; unlawful attack on civilians; unlawful infliction of terror on civilians; cruel treatment), and
eight counts of crimes against humanity (persecutions on political, racial and religious grounds; murder; rape; deportation; inhumane acts (forcible transfer); imprisonment; inhumane acts (conditions of confinement); inhumane acts).