Greek colleagues have investigated a part of the city walls.

Gainer and colleagues subsequently investigated the effects of TSC in animal models.

Morse and colleagues have investigated near-death experiences in a pediatric population.

The officer was shot by a sniper as he and a colleague investigated a complaint of broken windows in a nearby home.

Another colleague investigated a confocal lens system.

Mr. Lovelock and his colleagues have been actively investigating this possibility.

Rebus pursues Raeburn, while his colleagues investigate other lines of enquiry.

In 1996, my colleagues and I investigated - and confirmed - reports of child prostitution.

I know my colleague will investigate the matter thoroughly.

One of several important aspects to me was that this would avoid the situation where colleagues would investigate colleagues.