Police chiefs are hearing from frontline officers involved in some of Scotland's biggest police operations at their annual conference.
The two-day Association of Chief Police Officers in Scotland (Acpos) event is taking place in Cumbernauld.
Operation Anagram, tracing the movements of serial killer Peter Tobin, and Operation Algebra, looking at child sex abuse, are being highlighted.
The conference will also look at the future challenges facing policing.
Justice Secretary Kenny MacAskill is among the speakers addressing delegates.
Chief police officers, and other professionals involved in law enforcement and government, will discuss the current financial situation and how policing can be delivered in the face of high level budget cuts.
Other speakers were also expected to give their views on public protection, counter-terrorism and combating the threat from drugs and violence.
President of Acpos, Chief Constable Patrick Shearer of Dumfries and Galloway Constabulary, said: "We see the annual conference as an opportunity to meet not only with our police colleagues but also with the wide variety of colleagues and partners who are so closely involved with what we do.
"The thrust of the conference is the Scottish policing manifesto; what we can and will deliver against a background of unprecedented financial pressures in the public sector.
"What is clear from the list of speakers and delegates is that we are serious in Scotland about delivering the highest levels of policing on a partnership basis."
He added: "We have much to be proud of in the police service and that will be acknowledged. But we are realistic enough to know that we will have to work hard and explore every possible avenue to continue delivering that outstanding level of service."