Investigators also were trying to pin down whether MacInnis and the two women knew each other.
Trading in private shares is growing rapidly, though it's hard to pin down exact numbers.
The stylized action game is actually hard to pin down to a single genre.
Such observations yield a wealth of correlations, but it is much harder to pin down causation.
But the data were simply not good enough to pin down what was seen.
"We need to pin down what is causing this, " said Louise Silverton, its deputy general secretary.
But she said it was much more difficult to pin down any long-term effect.
Unfortunately, it is often difficult to pin down exactly what is supposed to have changed.
Professor Wang accepted more evidence is needed to pin down exactly what is going on.
Dr Martin said more work was needed to pin down what the explanation was.
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However, they say that further work is needed to pin down the exact effect.
It's been repeated so often that it's become a cliche, but I still want to pin down the facts.
Courts find it almost impossible to pin down a precise enough legal definition of privacy.
Torrents are scattered, diverse and hard to pin down, and that makes them incredibly hard to stop.
It is sometimes hard to pin down Ms Royal's policies, but this does not mean she has none.
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But there are other costs as well that are harder to pin down.
But rare events like those that effect Tysabri are harder to pin down.
Both incidents were terrifying but really hard to pin down a trigger to.
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Books about children's authors are often flawed: what attracts children is hard for adults to pin down and analyse.
It also makes it difficult to pin down who should receive any arms.
At tiny scales, the position of an object is hard to pin down.
It is hard to pin down what has been causing honeybees to vanish.
Without language, culture as we know it wouldn't exist, so scientists are keen to pin down where it sprang from.
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But then on the second day they started to get specific and try to pin down his definition of torture.
For something so influential and intuitively appealing, it turns out that the Hawthorne effect is remarkably hard to pin down.
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At the same time, he could try to pin down the thin, fast-fading shadow that was himself and his past.
The Tea Party is a diffuse operation, and it can be difficult to pin down its stand on any given issue.
Dr Miller said more work was required to pin down why lack of sleep potentially had a greater effect on women.
Precise per-episode prices for internal sales are notoriously hard to pin down.
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