A new investigation into the murders was launched in 1996 but suspended indefinitely after inconclusive findings.
For lack of findings, the investigation was eventually suspended but remains unclosed.
An investigation for abuse of power and corruption was suspended in May, 1990.
On 1 June 2007, news came that the official investigation had been suspended.
By 1989, ten investigations against the Department were suspended because of its objections.
Further investigations were suspended when it was discovered that the remaining perpetrators had either been killed in fighting or by members of their own unit.
It turned out that the investigation was suspended indefinitely on 26 September 2006.
But there have been no meetings, and all investigations have been suspended.
The police said the investigation of the bombing had been suspended yesterday for the ceremony.
But the investigation was suspended for lack of money later that year.